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-rw-r--r--nixpkgs/nixos/modules/services/networking/acme-dns.nix4
-rw-r--r--nixpkgs/nixos/modules/services/networking/alice-lg.nix2
-rw-r--r--nixpkgs/nixos/modules/services/networking/asterisk.nix7
-rw-r--r--nixpkgs/nixos/modules/services/networking/avahi-daemon.nix9
-rw-r--r--nixpkgs/nixos/modules/services/networking/bee.nix8
-rw-r--r--nixpkgs/nixos/modules/services/networking/bind.nix7
-rw-r--r--nixpkgs/nixos/modules/services/networking/bird-lg.nix7
-rw-r--r--nixpkgs/nixos/modules/services/networking/birdwatcher.nix7
-rw-r--r--nixpkgs/nixos/modules/services/networking/bitcoind.nix7
-rw-r--r--nixpkgs/nixos/modules/services/networking/blockbook-frontend.nix7
-rw-r--r--nixpkgs/nixos/modules/services/networking/centrifugo.nix123
-rw-r--r--nixpkgs/nixos/modules/services/networking/cgit.nix2
-rw-r--r--nixpkgs/nixos/modules/services/networking/cloudflared.nix7
-rw-r--r--nixpkgs/nixos/modules/services/networking/consul.nix17
-rw-r--r--nixpkgs/nixos/modules/services/networking/coredns.nix7
-rw-r--r--nixpkgs/nixos/modules/services/networking/corerad.nix7
-rw-r--r--nixpkgs/nixos/modules/services/networking/dae.nix2
-rw-r--r--nixpkgs/nixos/modules/services/networking/dnsmasq.nix2
-rw-r--r--nixpkgs/nixos/modules/services/networking/ejabberd.nix7
-rw-r--r--nixpkgs/nixos/modules/services/networking/envoy.nix2
-rw-r--r--nixpkgs/nixos/modules/services/networking/epmd.nix10
-rw-r--r--nixpkgs/nixos/modules/services/networking/ferm.nix7
-rw-r--r--nixpkgs/nixos/modules/services/networking/firewall-iptables.nix1
-rw-r--r--nixpkgs/nixos/modules/services/networking/flannel.nix7
-rw-r--r--nixpkgs/nixos/modules/services/networking/frp.nix2
-rw-r--r--nixpkgs/nixos/modules/services/networking/ghostunnel.nix8
-rw-r--r--nixpkgs/nixos/modules/services/networking/gnunet.nix8
-rw-r--r--nixpkgs/nixos/modules/services/networking/haproxy.nix2
-rw-r--r--nixpkgs/nixos/modules/services/networking/harmonia.nix2
-rw-r--r--nixpkgs/nixos/modules/services/networking/headscale.nix9
-rw-r--r--nixpkgs/nixos/modules/services/networking/i2pd.nix9
-rw-r--r--nixpkgs/nixos/modules/services/networking/icecream/daemon.nix7
-rw-r--r--nixpkgs/nixos/modules/services/networking/icecream/scheduler.nix7
-rw-r--r--nixpkgs/nixos/modules/services/networking/iscsi/initiator.nix7
-rw-r--r--nixpkgs/nixos/modules/services/networking/iwd.nix11
-rw-r--r--nixpkgs/nixos/modules/services/networking/knot.nix9
-rw-r--r--nixpkgs/nixos/modules/services/networking/kresd.nix10
-rw-r--r--nixpkgs/nixos/modules/services/networking/lambdabot.nix7
-rw-r--r--nixpkgs/nixos/modules/services/networking/legit.nix4
-rw-r--r--nixpkgs/nixos/modules/services/networking/lokinet.nix7
-rw-r--r--nixpkgs/nixos/modules/services/networking/miredo.nix9
-rw-r--r--nixpkgs/nixos/modules/services/networking/morty.nix7
-rw-r--r--nixpkgs/nixos/modules/services/networking/mosquitto.nix9
-rw-r--r--nixpkgs/nixos/modules/services/networking/mtr-exporter.nix16
-rw-r--r--nixpkgs/nixos/modules/services/networking/mullvad-vpn.nix10
-rw-r--r--nixpkgs/nixos/modules/services/networking/multipath.nix7
-rw-r--r--nixpkgs/nixos/modules/services/networking/murmur.nix7
-rw-r--r--nixpkgs/nixos/modules/services/networking/mxisd.nix7
-rw-r--r--nixpkgs/nixos/modules/services/networking/nar-serve.nix2
-rw-r--r--nixpkgs/nixos/modules/services/networking/nat-nftables.nix31
-rw-r--r--nixpkgs/nixos/modules/services/networking/nebula.nix7
-rw-r--r--nixpkgs/nixos/modules/services/networking/netbird.nix7
-rw-r--r--nixpkgs/nixos/modules/services/networking/netclient.nix2
-rw-r--r--nixpkgs/nixos/modules/services/networking/ngircd.nix9
-rw-r--r--nixpkgs/nixos/modules/services/networking/nix-serve.nix13
-rw-r--r--nixpkgs/nixos/modules/services/networking/nomad.nix9
-rw-r--r--nixpkgs/nixos/modules/services/networking/ntp/chrony.nix9
-rw-r--r--nixpkgs/nixos/modules/services/networking/openconnect.nix2
-rw-r--r--nixpkgs/nixos/modules/services/networking/peroxide.nix2
-rw-r--r--nixpkgs/nixos/modules/services/networking/pleroma.nix7
-rw-r--r--nixpkgs/nixos/modules/services/networking/pppd.nix7
-rw-r--r--nixpkgs/nixos/modules/services/networking/prosody.nix8
-rw-r--r--nixpkgs/nixos/modules/services/networking/quassel.nix9
-rw-r--r--nixpkgs/nixos/modules/services/networking/radvd.nix9
-rw-r--r--nixpkgs/nixos/modules/services/networking/routedns.nix7
-rw-r--r--nixpkgs/nixos/modules/services/networking/sabnzbd.nix7
-rw-r--r--nixpkgs/nixos/modules/services/networking/seafile.nix7
-rw-r--r--nixpkgs/nixos/modules/services/networking/searx.nix7
-rw-r--r--nixpkgs/nixos/modules/services/networking/shellhub-agent.nix2
-rw-r--r--nixpkgs/nixos/modules/services/networking/sing-box.nix2
-rw-r--r--nixpkgs/nixos/modules/services/networking/skydns.nix7
-rw-r--r--nixpkgs/nixos/modules/services/networking/smokeping.nix7
-rw-r--r--nixpkgs/nixos/modules/services/networking/softether.nix9
-rw-r--r--nixpkgs/nixos/modules/services/networking/spacecookie.nix11
-rw-r--r--nixpkgs/nixos/modules/services/networking/squid.nix7
-rw-r--r--nixpkgs/nixos/modules/services/networking/strongswan-swanctl/module.nix9
-rw-r--r--nixpkgs/nixos/modules/services/networking/syncthing.nix9
-rw-r--r--nixpkgs/nixos/modules/services/networking/tailscale.nix2
-rw-r--r--nixpkgs/nixos/modules/services/networking/tayga.nix7
-rw-r--r--nixpkgs/nixos/modules/services/networking/teleport.nix8
-rw-r--r--nixpkgs/nixos/modules/services/networking/thelounge.nix2
-rw-r--r--nixpkgs/nixos/modules/services/networking/tinc.nix9
-rw-r--r--nixpkgs/nixos/modules/services/networking/tinyproxy.nix2
-rw-r--r--nixpkgs/nixos/modules/services/networking/tmate-ssh-server.nix13
-rw-r--r--nixpkgs/nixos/modules/services/networking/trickster.nix9
-rw-r--r--nixpkgs/nixos/modules/services/networking/trust-dns.nix12
-rw-r--r--nixpkgs/nixos/modules/services/networking/twingate.nix2
-rw-r--r--nixpkgs/nixos/modules/services/networking/ucarp.nix9
-rw-r--r--nixpkgs/nixos/modules/services/networking/unbound.nix7
-rw-r--r--nixpkgs/nixos/modules/services/networking/unifi.nix23
-rw-r--r--nixpkgs/nixos/modules/services/networking/v2ray.nix9
-rw-r--r--nixpkgs/nixos/modules/services/networking/vdirsyncer.nix2
-rw-r--r--nixpkgs/nixos/modules/services/networking/webhook.nix2
-rw-r--r--nixpkgs/nixos/modules/services/networking/wstunnel.nix2
-rw-r--r--nixpkgs/nixos/modules/services/networking/x2goserver.nix3
-rw-r--r--nixpkgs/nixos/modules/services/networking/xandikos.nix7
-rw-r--r--nixpkgs/nixos/modules/services/networking/xray.nix9
-rw-r--r--nixpkgs/nixos/modules/services/networking/xrdp.nix9
-rw-r--r--nixpkgs/nixos/modules/services/networking/yggdrasil.nix7
-rw-r--r--nixpkgs/nixos/modules/services/networking/zeronet.nix10
-rw-r--r--nixpkgs/nixos/modules/services/networking/zerotierone.nix9
101 files changed, 266 insertions, 579 deletions
diff --git a/nixpkgs/nixos/modules/services/networking/acme-dns.nix b/nixpkgs/nixos/modules/services/networking/acme-dns.nix
index 5c53fa2cc4f1..08fde65e4ca4 100644
--- a/nixpkgs/nixos/modules/services/networking/acme-dns.nix
+++ b/nixpkgs/nixos/modules/services/networking/acme-dns.nix
@@ -12,7 +12,7 @@ let
     mdDoc
     mkEnableOption
     mkOption
-    mkPackageOptionMD
+    mkPackageOption
     types
     ;
   domain = "acme-dns.example.com";
@@ -21,7 +21,7 @@ in
   options.services.acme-dns = {
     enable = mkEnableOption (mdDoc "acme-dns");
 
-    package = mkPackageOptionMD pkgs "acme-dns" { };
+    package = mkPackageOption pkgs "acme-dns" { };
 
     settings = mkOption {
       description = mdDoc ''
diff --git a/nixpkgs/nixos/modules/services/networking/alice-lg.nix b/nixpkgs/nixos/modules/services/networking/alice-lg.nix
index 06b9ac89f12f..fbf127d9410f 100644
--- a/nixpkgs/nixos/modules/services/networking/alice-lg.nix
+++ b/nixpkgs/nixos/modules/services/networking/alice-lg.nix
@@ -11,7 +11,7 @@ in
     services.alice-lg = {
       enable = mkEnableOption (lib.mdDoc "Alice Looking Glass");
 
-      package = mkPackageOptionMD pkgs "alice-lg" { };
+      package = mkPackageOption pkgs "alice-lg" { };
 
       settings = mkOption {
         type = settingsFormat.type;
diff --git a/nixpkgs/nixos/modules/services/networking/asterisk.nix b/nixpkgs/nixos/modules/services/networking/asterisk.nix
index 279927781edc..78a69efc86af 100644
--- a/nixpkgs/nixos/modules/services/networking/asterisk.nix
+++ b/nixpkgs/nixos/modules/services/networking/asterisk.nix
@@ -163,12 +163,7 @@ in
           Additional command line arguments to pass to Asterisk.
         '';
       };
-      package = mkOption {
-        type = types.package;
-        default = pkgs.asterisk;
-        defaultText = literalExpression "pkgs.asterisk";
-        description = lib.mdDoc "The Asterisk package to use.";
-      };
+      package = mkPackageOption pkgs "asterisk" { };
     };
   };
 
diff --git a/nixpkgs/nixos/modules/services/networking/avahi-daemon.nix b/nixpkgs/nixos/modules/services/networking/avahi-daemon.nix
index bdbf9aad9acc..de51843ba6f9 100644
--- a/nixpkgs/nixos/modules/services/networking/avahi-daemon.nix
+++ b/nixpkgs/nixos/modules/services/networking/avahi-daemon.nix
@@ -56,14 +56,7 @@ in
       '';
     };
 
-    package = mkOption {
-      type = types.package;
-      default = pkgs.avahi;
-      defaultText = literalExpression "pkgs.avahi";
-      description = lib.mdDoc ''
-        The avahi package to use for running the daemon.
-      '';
-    };
+    package = mkPackageOption pkgs "avahi" { };
 
     hostName = mkOption {
       type = types.str;
diff --git a/nixpkgs/nixos/modules/services/networking/bee.nix b/nixpkgs/nixos/modules/services/networking/bee.nix
index add9861ebfcd..962cfd30c3fe 100644
--- a/nixpkgs/nixos/modules/services/networking/bee.nix
+++ b/nixpkgs/nixos/modules/services/networking/bee.nix
@@ -17,12 +17,8 @@ in {
     services.bee = {
       enable = mkEnableOption (lib.mdDoc "Ethereum Swarm Bee");
 
-      package = mkOption {
-        type = types.package;
-        default = pkgs.bee;
-        defaultText = literalExpression "pkgs.bee";
-        example = literalExpression "pkgs.bee-unstable";
-        description = lib.mdDoc "The package providing the bee binary for the service.";
+      package = mkPackageOption pkgs "bee" {
+        example = "bee-unstable";
       };
 
       settings = mkOption {
diff --git a/nixpkgs/nixos/modules/services/networking/bind.nix b/nixpkgs/nixos/modules/services/networking/bind.nix
index f1829747bb1e..da8633d5066f 100644
--- a/nixpkgs/nixos/modules/services/networking/bind.nix
+++ b/nixpkgs/nixos/modules/services/networking/bind.nix
@@ -118,12 +118,7 @@ in
       enable = mkEnableOption (lib.mdDoc "BIND domain name server");
 
 
-      package = mkOption {
-        type = types.package;
-        default = pkgs.bind;
-        defaultText = literalExpression "pkgs.bind";
-        description = lib.mdDoc "The BIND package to use.";
-      };
+      package = mkPackageOption pkgs "bind" { };
 
       cacheNetworks = mkOption {
         default = [ "127.0.0.0/24" ];
diff --git a/nixpkgs/nixos/modules/services/networking/bird-lg.nix b/nixpkgs/nixos/modules/services/networking/bird-lg.nix
index dc861dbfd11b..be9f4101e6ab 100644
--- a/nixpkgs/nixos/modules/services/networking/bird-lg.nix
+++ b/nixpkgs/nixos/modules/services/networking/bird-lg.nix
@@ -51,12 +51,7 @@ in
 {
   options = {
     services.bird-lg = {
-      package = mkOption {
-        type = types.package;
-        default = pkgs.bird-lg;
-        defaultText = literalExpression "pkgs.bird-lg";
-        description = lib.mdDoc "The Bird Looking Glass package to use.";
-      };
+      package = mkPackageOption pkgs "bird-lg" { };
 
       user = mkOption {
         type = types.str;
diff --git a/nixpkgs/nixos/modules/services/networking/birdwatcher.nix b/nixpkgs/nixos/modules/services/networking/birdwatcher.nix
index a129b7a2b4cf..c8ebb2269764 100644
--- a/nixpkgs/nixos/modules/services/networking/birdwatcher.nix
+++ b/nixpkgs/nixos/modules/services/networking/birdwatcher.nix
@@ -8,12 +8,7 @@ in
 {
   options = {
     services.birdwatcher = {
-      package = mkOption {
-        type = types.package;
-        default = pkgs.birdwatcher;
-        defaultText = literalExpression "pkgs.birdwatcher";
-        description = lib.mdDoc "The Birdwatcher package to use.";
-      };
+      package = mkPackageOption pkgs "birdwatcher" { };
       enable = mkEnableOption (lib.mdDoc "Birdwatcher");
       flags = mkOption {
         default = [ ];
diff --git a/nixpkgs/nixos/modules/services/networking/bitcoind.nix b/nixpkgs/nixos/modules/services/networking/bitcoind.nix
index a48066b43b16..4512e666ba5b 100644
--- a/nixpkgs/nixos/modules/services/networking/bitcoind.nix
+++ b/nixpkgs/nixos/modules/services/networking/bitcoind.nix
@@ -36,12 +36,7 @@ let
 
       enable = mkEnableOption (lib.mdDoc "Bitcoin daemon");
 
-      package = mkOption {
-        type = types.package;
-        default = pkgs.bitcoind;
-        defaultText = literalExpression "pkgs.bitcoind";
-        description = lib.mdDoc "The package providing bitcoin binaries.";
-      };
+      package = mkPackageOption pkgs "bitcoind" { };
 
       configFile = mkOption {
         type = types.nullOr types.path;
diff --git a/nixpkgs/nixos/modules/services/networking/blockbook-frontend.nix b/nixpkgs/nixos/modules/services/networking/blockbook-frontend.nix
index 46b26195d211..bf476d814140 100644
--- a/nixpkgs/nixos/modules/services/networking/blockbook-frontend.nix
+++ b/nixpkgs/nixos/modules/services/networking/blockbook-frontend.nix
@@ -12,12 +12,7 @@ let
 
       enable = mkEnableOption (lib.mdDoc "blockbook-frontend application");
 
-      package = mkOption {
-        type = types.package;
-        default = pkgs.blockbook;
-        defaultText = literalExpression "pkgs.blockbook";
-        description = lib.mdDoc "Which blockbook package to use.";
-      };
+      package = mkPackageOption pkgs "blockbook" { };
 
       user = mkOption {
         type = types.str;
diff --git a/nixpkgs/nixos/modules/services/networking/centrifugo.nix b/nixpkgs/nixos/modules/services/networking/centrifugo.nix
new file mode 100644
index 000000000000..7c6c9a362fd2
--- /dev/null
+++ b/nixpkgs/nixos/modules/services/networking/centrifugo.nix
@@ -0,0 +1,123 @@
+{ config, lib, pkgs, ... }:
+let
+  cfg = config.services.centrifugo;
+
+  settingsFormat = pkgs.formats.json { };
+
+  configFile = settingsFormat.generate "centrifugo.json" cfg.settings;
+in
+{
+  options.services.centrifugo = {
+    enable = lib.mkEnableOption (lib.mdDoc "Centrifugo messaging server");
+
+    package = lib.mkPackageOption pkgs "centrifugo" { };
+
+    settings = lib.mkOption {
+      type = settingsFormat.type;
+      default = { };
+      description = lib.mdDoc ''
+        Declarative Centrifugo configuration. See the [Centrifugo
+        documentation] for a list of options.
+
+        [Centrifugo documentation]: https://centrifugal.dev/docs/server/configuration
+      '';
+    };
+
+    credentials = lib.mkOption {
+      type = lib.types.attrsOf lib.types.path;
+      default = { };
+      example = {
+        CENTRIFUGO_UNI_GRPC_TLS_KEY = "/run/keys/centrifugo-uni-grpc-tls.key";
+      };
+      description = lib.mdDoc ''
+        Environment variables with absolute paths to credentials files to load
+        on service startup.
+      '';
+    };
+
+    environmentFiles = lib.mkOption {
+      type = lib.types.listOf lib.types.path;
+      default = [ ];
+      description = lib.mdDoc ''
+        Files to load environment variables from. Options set via environment
+        variables take precedence over {option}`settings`.
+
+        See the [Centrifugo documentation] for the environment variable name
+        format.
+
+        [Centrifugo documentation]: https://centrifugal.dev/docs/server/configuration#os-environment-variables
+      '';
+    };
+
+    extraGroups = lib.mkOption {
+      type = lib.types.listOf lib.types.str;
+      default = [ ];
+      example = [ "redis-centrifugo" ];
+      description = lib.mdDoc ''
+        Additional groups for the systemd service.
+      '';
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    systemd.services.centrifugo = {
+      description = "Centrifugo messaging server";
+      wantedBy = [ "multi-user.target" ];
+      after = [ "network.target" ];
+
+      serviceConfig = {
+        Type = "exec";
+
+        ExecStartPre = "${lib.getExe cfg.package} checkconfig --config ${configFile}";
+        ExecStart = "${lib.getExe cfg.package} --config ${configFile}";
+        ExecReload = "${pkgs.coreutils}/bin/kill -HUP $MAINPID";
+
+        Restart = "always";
+        RestartSec = "1s";
+
+        # Copy files to the credentials directory with file name being the
+        # environment variable name. Note that "%d" specifier expands to the
+        # path of the credentials directory.
+        LoadCredential = lib.mapAttrsToList (name: value: "${name}:${value}") cfg.credentials;
+        Environment = lib.mapAttrsToList (name: _: "${name}=%d/${name}") cfg.credentials;
+
+        EnvironmentFile = cfg.environmentFiles;
+
+        SupplementaryGroups = cfg.extraGroups;
+
+        DynamicUser = true;
+        UMask = "0077";
+
+        ProtectHome = true;
+        ProtectProc = "invisible";
+        ProcSubset = "pid";
+        ProtectClock = true;
+        ProtectHostname = true;
+        ProtectControlGroups = true;
+        ProtectKernelLogs = true;
+        ProtectKernelModules = true;
+        ProtectKernelTunables = true;
+        PrivateUsers = true;
+        PrivateDevices = true;
+        RestrictRealtime = true;
+        RestrictNamespaces = true;
+        RestrictAddressFamilies = [
+          "AF_INET"
+          "AF_INET6"
+          "AF_UNIX"
+        ];
+        DeviceAllow = [ "" ];
+        DevicePolicy = "closed";
+        CapabilityBoundingSet = [ "" ];
+        MemoryDenyWriteExecute = true;
+        LockPersonality = true;
+        SystemCallArchitectures = "native";
+        SystemCallErrorNumber = "EPERM";
+        SystemCallFilter = [
+          "@system-service"
+          "~@privileged"
+        ];
+      };
+    };
+  };
+}
diff --git a/nixpkgs/nixos/modules/services/networking/cgit.nix b/nixpkgs/nixos/modules/services/networking/cgit.nix
index 7d1f12fa9146..3de2eb192ed1 100644
--- a/nixpkgs/nixos/modules/services/networking/cgit.nix
+++ b/nixpkgs/nixos/modules/services/networking/cgit.nix
@@ -102,7 +102,7 @@ in
         options = {
           enable = mkEnableOption (mdDoc "cgit");
 
-          package = mkPackageOptionMD pkgs "cgit" {};
+          package = mkPackageOption pkgs "cgit" {};
 
           nginx.virtualHost = mkOption {
             description = mdDoc "VirtualHost to serve cgit on, defaults to the attribute name.";
diff --git a/nixpkgs/nixos/modules/services/networking/cloudflared.nix b/nixpkgs/nixos/modules/services/networking/cloudflared.nix
index b3f0e37d8e9e..80c60fdb8013 100644
--- a/nixpkgs/nixos/modules/services/networking/cloudflared.nix
+++ b/nixpkgs/nixos/modules/services/networking/cloudflared.nix
@@ -152,12 +152,7 @@ in
       description = lib.mdDoc "Group under which cloudflared runs.";
     };
 
-    package = mkOption {
-      type = types.package;
-      default = pkgs.cloudflared;
-      defaultText = "pkgs.cloudflared";
-      description = lib.mdDoc "The package to use for Cloudflared.";
-    };
+    package = mkPackageOption pkgs "cloudflared" { };
 
     tunnels = mkOption {
       description = lib.mdDoc ''
diff --git a/nixpkgs/nixos/modules/services/networking/consul.nix b/nixpkgs/nixos/modules/services/networking/consul.nix
index 955463b9031e..1a0910fc9344 100644
--- a/nixpkgs/nixos/modules/services/networking/consul.nix
+++ b/nixpkgs/nixos/modules/services/networking/consul.nix
@@ -33,15 +33,7 @@ in
         '';
       };
 
-      package = mkOption {
-        type = types.package;
-        default = pkgs.consul;
-        defaultText = literalExpression "pkgs.consul";
-        description = lib.mdDoc ''
-          The package used for the Consul agent and CLI.
-        '';
-      };
-
+      package = mkPackageOption pkgs "consul" { };
 
       webUi = mkOption {
         type = types.bool;
@@ -128,12 +120,7 @@ in
       alerts = {
         enable = mkEnableOption (lib.mdDoc "consul-alerts");
 
-        package = mkOption {
-          description = lib.mdDoc "Package to use for consul-alerts.";
-          default = pkgs.consul-alerts;
-          defaultText = literalExpression "pkgs.consul-alerts";
-          type = types.package;
-        };
+        package = mkPackageOption pkgs "consul-alerts" { };
 
         listenAddr = mkOption {
           description = lib.mdDoc "Api listening address.";
diff --git a/nixpkgs/nixos/modules/services/networking/coredns.nix b/nixpkgs/nixos/modules/services/networking/coredns.nix
index f1fe7b2f1241..f6eec2f962dd 100644
--- a/nixpkgs/nixos/modules/services/networking/coredns.nix
+++ b/nixpkgs/nixos/modules/services/networking/coredns.nix
@@ -23,12 +23,7 @@ in {
       '';
     };
 
-    package = mkOption {
-      default = pkgs.coredns;
-      defaultText = literalExpression "pkgs.coredns";
-      type = types.package;
-      description = lib.mdDoc "Coredns package to use.";
-    };
+    package = mkPackageOption pkgs "coredns" { };
 
     extraArgs = mkOption {
       default = [];
diff --git a/nixpkgs/nixos/modules/services/networking/corerad.nix b/nixpkgs/nixos/modules/services/networking/corerad.nix
index 0c6fb7a17cab..33ea2862174e 100644
--- a/nixpkgs/nixos/modules/services/networking/corerad.nix
+++ b/nixpkgs/nixos/modules/services/networking/corerad.nix
@@ -48,12 +48,7 @@ in {
       description = lib.mdDoc "Path to CoreRAD TOML configuration file.";
     };
 
-    package = mkOption {
-      default = pkgs.corerad;
-      defaultText = literalExpression "pkgs.corerad";
-      type = types.package;
-      description = lib.mdDoc "CoreRAD package to use.";
-    };
+    package = mkPackageOption pkgs "corerad" { };
   };
 
   config = mkIf cfg.enable {
diff --git a/nixpkgs/nixos/modules/services/networking/dae.nix b/nixpkgs/nixos/modules/services/networking/dae.nix
index cf3fead19be5..404ce59741f8 100644
--- a/nixpkgs/nixos/modules/services/networking/dae.nix
+++ b/nixpkgs/nixos/modules/services/networking/dae.nix
@@ -16,7 +16,7 @@ in
       enable = mkEnableOption
         (mdDoc "dae, a Linux high-performance transparent proxy solution based on eBPF");
 
-      package = mkPackageOptionMD pkgs "dae" { };
+      package = mkPackageOption pkgs "dae" { };
 
 
       assets = mkOption {
diff --git a/nixpkgs/nixos/modules/services/networking/dnsmasq.nix b/nixpkgs/nixos/modules/services/networking/dnsmasq.nix
index 14bbe334e50d..8d1ca36c38ed 100644
--- a/nixpkgs/nixos/modules/services/networking/dnsmasq.nix
+++ b/nixpkgs/nixos/modules/services/networking/dnsmasq.nix
@@ -53,7 +53,7 @@ in
         '';
       };
 
-      package = mkPackageOptionMD pkgs "dnsmasq" {};
+      package = mkPackageOption pkgs "dnsmasq" {};
 
       resolveLocalQueries = mkOption {
         type = types.bool;
diff --git a/nixpkgs/nixos/modules/services/networking/ejabberd.nix b/nixpkgs/nixos/modules/services/networking/ejabberd.nix
index 3feafc3bb3bd..b10a3d9f21df 100644
--- a/nixpkgs/nixos/modules/services/networking/ejabberd.nix
+++ b/nixpkgs/nixos/modules/services/networking/ejabberd.nix
@@ -29,12 +29,7 @@ in {
         description = lib.mdDoc "Whether to enable ejabberd server";
       };
 
-      package = mkOption {
-        type = types.package;
-        default = pkgs.ejabberd;
-        defaultText = literalExpression "pkgs.ejabberd";
-        description = lib.mdDoc "ejabberd server package to use";
-      };
+      package = mkPackageOption pkgs "ejabberd" { };
 
       user = mkOption {
         type = types.str;
diff --git a/nixpkgs/nixos/modules/services/networking/envoy.nix b/nixpkgs/nixos/modules/services/networking/envoy.nix
index c68ceab9619c..779c77ff6c81 100644
--- a/nixpkgs/nixos/modules/services/networking/envoy.nix
+++ b/nixpkgs/nixos/modules/services/networking/envoy.nix
@@ -17,7 +17,7 @@ in
   options.services.envoy = {
     enable = mkEnableOption (lib.mdDoc "Envoy reverse proxy");
 
-    package = mkPackageOptionMD pkgs "envoy" { };
+    package = mkPackageOption pkgs "envoy" { };
 
     requireValidConfig = mkOption {
       type = types.bool;
diff --git a/nixpkgs/nixos/modules/services/networking/epmd.nix b/nixpkgs/nixos/modules/services/networking/epmd.nix
index 0bc8c71f4eaa..318e325944b5 100644
--- a/nixpkgs/nixos/modules/services/networking/epmd.nix
+++ b/nixpkgs/nixos/modules/services/networking/epmd.nix
@@ -17,15 +17,7 @@ in
         Erlang computations.
       '';
     };
-    package = mkOption {
-      type = types.package;
-      default = pkgs.erlang;
-      defaultText = literalExpression "pkgs.erlang";
-      description = lib.mdDoc ''
-        The Erlang package to use to get epmd binary. That way you can re-use
-        an Erlang runtime that is already installed for other purposes.
-      '';
-    };
+    package = mkPackageOption pkgs "erlang" { };
     listenStream = mkOption
       {
         type = types.str;
diff --git a/nixpkgs/nixos/modules/services/networking/ferm.nix b/nixpkgs/nixos/modules/services/networking/ferm.nix
index 09151eb0b544..5ebf7aacb4db 100644
--- a/nixpkgs/nixos/modules/services/networking/ferm.nix
+++ b/nixpkgs/nixos/modules/services/networking/ferm.nix
@@ -33,12 +33,7 @@ in {
         defaultText = literalMD "empty firewall, allows any traffic";
         type = types.lines;
       };
-      package = mkOption {
-        description = lib.mdDoc "The ferm package.";
-        type = types.package;
-        default = pkgs.ferm;
-        defaultText = literalExpression "pkgs.ferm";
-      };
+      package = mkPackageOption pkgs "ferm" { };
     };
   };
 
diff --git a/nixpkgs/nixos/modules/services/networking/firewall-iptables.nix b/nixpkgs/nixos/modules/services/networking/firewall-iptables.nix
index 63e952194d67..e90086838720 100644
--- a/nixpkgs/nixos/modules/services/networking/firewall-iptables.nix
+++ b/nixpkgs/nixos/modules/services/networking/firewall-iptables.nix
@@ -301,6 +301,7 @@ in
       }
     ];
 
+    environment.systemPackages = [ pkgs.nixos-firewall-tool ];
     networking.firewall.checkReversePath = mkIf (!kernelHasRPFilter) (mkDefault false);
 
     systemd.services.firewall = {
diff --git a/nixpkgs/nixos/modules/services/networking/flannel.nix b/nixpkgs/nixos/modules/services/networking/flannel.nix
index 6ed4f78ddc92..2c2b6dc58cce 100644
--- a/nixpkgs/nixos/modules/services/networking/flannel.nix
+++ b/nixpkgs/nixos/modules/services/networking/flannel.nix
@@ -16,12 +16,7 @@ in {
   options.services.flannel = {
     enable = mkEnableOption (lib.mdDoc "flannel");
 
-    package = mkOption {
-      description = lib.mdDoc "Package to use for flannel";
-      type = types.package;
-      default = pkgs.flannel;
-      defaultText = literalExpression "pkgs.flannel";
-    };
+    package = mkPackageOption pkgs "flannel" { };
 
     publicIp = mkOption {
       description = lib.mdDoc ''
diff --git a/nixpkgs/nixos/modules/services/networking/frp.nix b/nixpkgs/nixos/modules/services/networking/frp.nix
index e4f9a220b5e8..218d532c12da 100644
--- a/nixpkgs/nixos/modules/services/networking/frp.nix
+++ b/nixpkgs/nixos/modules/services/networking/frp.nix
@@ -14,7 +14,7 @@ in
     services.frp = {
       enable = mkEnableOption (mdDoc "frp");
 
-      package = mkPackageOptionMD pkgs "frp" { };
+      package = mkPackageOption pkgs "frp" { };
 
       role = mkOption {
         type = types.enum [ "server" "client" ];
diff --git a/nixpkgs/nixos/modules/services/networking/ghostunnel.nix b/nixpkgs/nixos/modules/services/networking/ghostunnel.nix
index 4902367e2a6a..d5e2ff19ce50 100644
--- a/nixpkgs/nixos/modules/services/networking/ghostunnel.nix
+++ b/nixpkgs/nixos/modules/services/networking/ghostunnel.nix
@@ -9,6 +9,7 @@ let
     mapAttrs'
     mkDefault
     mkEnableOption
+    mkPackageOption
     mkIf
     mkOption
     nameValuePair
@@ -215,12 +216,7 @@ in
   options = {
     services.ghostunnel.enable = mkEnableOption (lib.mdDoc "ghostunnel");
 
-    services.ghostunnel.package = mkOption {
-      description = lib.mdDoc "The ghostunnel package to use.";
-      type = types.package;
-      default = pkgs.ghostunnel;
-      defaultText = literalExpression "pkgs.ghostunnel";
-    };
+    services.ghostunnel.package = mkPackageOption pkgs "ghostunnel" { };
 
     services.ghostunnel.servers = mkOption {
       description = lib.mdDoc ''
diff --git a/nixpkgs/nixos/modules/services/networking/gnunet.nix b/nixpkgs/nixos/modules/services/networking/gnunet.nix
index fdb353fd3443..a235f1605e54 100644
--- a/nixpkgs/nixos/modules/services/networking/gnunet.nix
+++ b/nixpkgs/nixos/modules/services/networking/gnunet.nix
@@ -112,12 +112,8 @@ in
         };
       };
 
-      package = mkOption {
-        type = types.package;
-        default = pkgs.gnunet;
-        defaultText = literalExpression "pkgs.gnunet";
-        description = lib.mdDoc "Overridable attribute of the gnunet package to use.";
-        example = literalExpression "pkgs.gnunet_git";
+      package = mkPackageOption pkgs "gnunet" {
+        example = "gnunet_git";
       };
 
       extraOptions = mkOption {
diff --git a/nixpkgs/nixos/modules/services/networking/haproxy.nix b/nixpkgs/nixos/modules/services/networking/haproxy.nix
index 208eb356d629..a2f3be6c49ce 100644
--- a/nixpkgs/nixos/modules/services/networking/haproxy.nix
+++ b/nixpkgs/nixos/modules/services/networking/haproxy.nix
@@ -19,7 +19,7 @@ with lib;
 
       enable = mkEnableOption (lib.mdDoc "HAProxy, the reliable, high performance TCP/HTTP load balancer.");
 
-      package = mkPackageOptionMD pkgs "haproxy" { };
+      package = mkPackageOption pkgs "haproxy" { };
 
       user = mkOption {
         type = types.str;
diff --git a/nixpkgs/nixos/modules/services/networking/harmonia.nix b/nixpkgs/nixos/modules/services/networking/harmonia.nix
index 4733165cf7d1..beaa7d00b6ce 100644
--- a/nixpkgs/nixos/modules/services/networking/harmonia.nix
+++ b/nixpkgs/nixos/modules/services/networking/harmonia.nix
@@ -14,7 +14,7 @@ in
         description = lib.mdDoc "Path to the signing key that will be used for signing the cache";
       };
 
-      package = lib.mkPackageOptionMD pkgs "harmonia" { };
+      package = lib.mkPackageOption pkgs "harmonia" { };
 
       settings = lib.mkOption {
         inherit (format) type;
diff --git a/nixpkgs/nixos/modules/services/networking/headscale.nix b/nixpkgs/nixos/modules/services/networking/headscale.nix
index 03e6f86af53f..4224a0578cc3 100644
--- a/nixpkgs/nixos/modules/services/networking/headscale.nix
+++ b/nixpkgs/nixos/modules/services/networking/headscale.nix
@@ -17,14 +17,7 @@ in {
     services.headscale = {
       enable = mkEnableOption (lib.mdDoc "headscale, Open Source coordination server for Tailscale");
 
-      package = mkOption {
-        type = types.package;
-        default = pkgs.headscale;
-        defaultText = literalExpression "pkgs.headscale";
-        description = lib.mdDoc ''
-          Which headscale package to use for the running server.
-        '';
-      };
+      package = mkPackageOption pkgs "headscale" { };
 
       user = mkOption {
         default = "headscale";
diff --git a/nixpkgs/nixos/modules/services/networking/i2pd.nix b/nixpkgs/nixos/modules/services/networking/i2pd.nix
index 808e7b66d36e..8d9eff61488c 100644
--- a/nixpkgs/nixos/modules/services/networking/i2pd.nix
+++ b/nixpkgs/nixos/modules/services/networking/i2pd.nix
@@ -244,14 +244,7 @@ in
         '';
       };
 
-      package = mkOption {
-        type = types.package;
-        default = pkgs.i2pd;
-        defaultText = literalExpression "pkgs.i2pd";
-        description = lib.mdDoc ''
-          i2pd package to use.
-        '';
-      };
+      package = mkPackageOption pkgs "i2pd" { };
 
       logLevel = mkOption {
         type = types.enum ["debug" "info" "warn" "error"];
diff --git a/nixpkgs/nixos/modules/services/networking/icecream/daemon.nix b/nixpkgs/nixos/modules/services/networking/icecream/daemon.nix
index fdd7a139c2fa..48363cc22c36 100644
--- a/nixpkgs/nixos/modules/services/networking/icecream/daemon.nix
+++ b/nixpkgs/nixos/modules/services/networking/icecream/daemon.nix
@@ -99,12 +99,7 @@ in {
         '';
       };
 
-      package = mkOption {
-        default = pkgs.icecream;
-        defaultText = literalExpression "pkgs.icecream";
-        type = types.package;
-        description = lib.mdDoc "Icecream package to use.";
-      };
+      package = mkPackageOption pkgs "icecream" { };
 
       extraArgs = mkOption {
         type = types.listOf types.str;
diff --git a/nixpkgs/nixos/modules/services/networking/icecream/scheduler.nix b/nixpkgs/nixos/modules/services/networking/icecream/scheduler.nix
index 33aee1bb19cc..2d53282ba88f 100644
--- a/nixpkgs/nixos/modules/services/networking/icecream/scheduler.nix
+++ b/nixpkgs/nixos/modules/services/networking/icecream/scheduler.nix
@@ -54,12 +54,7 @@ in {
         '';
       };
 
-      package = mkOption {
-        default = pkgs.icecream;
-        defaultText = literalExpression "pkgs.icecream";
-        type = types.package;
-        description = lib.mdDoc "Icecream package to use.";
-      };
+      package = mkPackageOption pkgs "icecream" { };
 
       extraArgs = mkOption {
         type = types.listOf types.str;
diff --git a/nixpkgs/nixos/modules/services/networking/iscsi/initiator.nix b/nixpkgs/nixos/modules/services/networking/iscsi/initiator.nix
index 6c30f89b7968..2d802d8cfc70 100644
--- a/nixpkgs/nixos/modules/services/networking/iscsi/initiator.nix
+++ b/nixpkgs/nixos/modules/services/networking/iscsi/initiator.nix
@@ -19,12 +19,7 @@ in
       description = lib.mdDoc "Name of this iscsi initiator";
       example = "iqn.2020-08.org.linux-iscsi.initiatorhost:example";
     };
-    package = mkOption {
-      type = package;
-      description = lib.mdDoc "openiscsi package to use";
-      default = pkgs.openiscsi;
-      defaultText = literalExpression "pkgs.openiscsi";
-    };
+    package = mkPackageOption pkgs "openiscsi" { };
 
     extraConfig = mkOption {
       type = str;
diff --git a/nixpkgs/nixos/modules/services/networking/iwd.nix b/nixpkgs/nixos/modules/services/networking/iwd.nix
index 993a603c1ed5..b74f5d0bec9b 100644
--- a/nixpkgs/nixos/modules/services/networking/iwd.nix
+++ b/nixpkgs/nixos/modules/services/networking/iwd.nix
@@ -2,7 +2,7 @@
 
 let
   inherit (lib)
-    mkEnableOption mkIf mkOption types
+    mkEnableOption mkPackageOption mkIf mkOption types
     recursiveUpdate;
 
   cfg = config.networking.wireless.iwd;
@@ -19,14 +19,7 @@ in
   options.networking.wireless.iwd = {
     enable = mkEnableOption (lib.mdDoc "iwd");
 
-    package = mkOption {
-      type = types.package;
-      default = pkgs.iwd;
-      defaultText = lib.literalExpression "pkgs.iwd";
-      description = lib.mdDoc ''
-        The iwd package to use.
-      '';
-    };
+    package = mkPackageOption pkgs "iwd" { };
 
     settings = mkOption {
       type = ini.type;
diff --git a/nixpkgs/nixos/modules/services/networking/knot.nix b/nixpkgs/nixos/modules/services/networking/knot.nix
index 4f6ac945cf97..d4bd81629c97 100644
--- a/nixpkgs/nixos/modules/services/networking/knot.nix
+++ b/nixpkgs/nixos/modules/services/networking/knot.nix
@@ -182,14 +182,7 @@ in {
         '';
       };
 
-      package = mkOption {
-        type = types.package;
-        default = pkgs.knot-dns;
-        defaultText = literalExpression "pkgs.knot-dns";
-        description = lib.mdDoc ''
-          Which Knot DNS package to use
-        '';
-      };
+      package = mkPackageOption pkgs "knot-dns" { };
     };
   };
   imports = [
diff --git a/nixpkgs/nixos/modules/services/networking/kresd.nix b/nixpkgs/nixos/modules/services/networking/kresd.nix
index 3ad757133a60..0c7363e564dc 100644
--- a/nixpkgs/nixos/modules/services/networking/kresd.nix
+++ b/nixpkgs/nixos/modules/services/networking/kresd.nix
@@ -57,14 +57,8 @@ in {
         and give commands interactively to kresd@1.service.
       '';
     };
-    package = mkOption {
-      type = types.package;
-      description = lib.mdDoc ''
-        knot-resolver package to use.
-      '';
-      default = pkgs.knot-resolver;
-      defaultText = literalExpression "pkgs.knot-resolver";
-      example = literalExpression "pkgs.knot-resolver.override { extraFeatures = true; }";
+    package = mkPackageOption pkgs "knot-resolver" {
+      example = "knot-resolver.override { extraFeatures = true; }";
     };
     extraConfig = mkOption {
       type = types.lines;
diff --git a/nixpkgs/nixos/modules/services/networking/lambdabot.nix b/nixpkgs/nixos/modules/services/networking/lambdabot.nix
index 8609bc971962..01914097ad72 100644
--- a/nixpkgs/nixos/modules/services/networking/lambdabot.nix
+++ b/nixpkgs/nixos/modules/services/networking/lambdabot.nix
@@ -24,12 +24,7 @@ in
         description = lib.mdDoc "Enable the Lambdabot IRC bot";
       };
 
-      package = mkOption {
-        type = types.package;
-        default = pkgs.lambdabot;
-        defaultText = literalExpression "pkgs.lambdabot";
-        description = lib.mdDoc "Used lambdabot package";
-      };
+      package = mkPackageOption pkgs "lambdabot" { };
 
       script = mkOption {
         type = types.str;
diff --git a/nixpkgs/nixos/modules/services/networking/legit.nix b/nixpkgs/nixos/modules/services/networking/legit.nix
index 90234f3955e8..ff8e0dd4f93c 100644
--- a/nixpkgs/nixos/modules/services/networking/legit.nix
+++ b/nixpkgs/nixos/modules/services/networking/legit.nix
@@ -7,7 +7,7 @@ let
     mdDoc
     mkIf
     mkOption
-    mkPackageOptionMD
+    mkPackageOption
     optionalAttrs
     optional
     types;
@@ -25,7 +25,7 @@ in
   options.services.legit = {
     enable = mkEnableOption (mdDoc "legit git web frontend");
 
-    package = mkPackageOptionMD pkgs "legit-web" { };
+    package = mkPackageOption pkgs "legit-web" { };
 
     user = mkOption {
       type = types.str;
diff --git a/nixpkgs/nixos/modules/services/networking/lokinet.nix b/nixpkgs/nixos/modules/services/networking/lokinet.nix
index f6bc314ed260..8f64d3f0119f 100644
--- a/nixpkgs/nixos/modules/services/networking/lokinet.nix
+++ b/nixpkgs/nixos/modules/services/networking/lokinet.nix
@@ -9,12 +9,7 @@ in with lib; {
   options.services.lokinet = {
     enable = mkEnableOption (lib.mdDoc "Lokinet daemon");
 
-    package = mkOption {
-      type = types.package;
-      default = pkgs.lokinet;
-      defaultText = literalExpression "pkgs.lokinet";
-      description = lib.mdDoc "Lokinet package to use.";
-    };
+    package = mkPackageOption pkgs "lokinet" { };
 
     useLocally = mkOption {
       type = types.bool;
diff --git a/nixpkgs/nixos/modules/services/networking/miredo.nix b/nixpkgs/nixos/modules/services/networking/miredo.nix
index d15a55b4d7d6..0c43839c15ab 100644
--- a/nixpkgs/nixos/modules/services/networking/miredo.nix
+++ b/nixpkgs/nixos/modules/services/networking/miredo.nix
@@ -22,14 +22,7 @@ in
 
       enable = mkEnableOption (lib.mdDoc "the Miredo IPv6 tunneling service");
 
-      package = mkOption {
-        type = types.package;
-        default = pkgs.miredo;
-        defaultText = literalExpression "pkgs.miredo";
-        description = lib.mdDoc ''
-          The package to use for the miredo daemon's binary.
-        '';
-      };
+      package = mkPackageOption pkgs "miredo" { };
 
       serverAddress = mkOption {
         default = "teredo.remlab.net";
diff --git a/nixpkgs/nixos/modules/services/networking/morty.nix b/nixpkgs/nixos/modules/services/networking/morty.nix
index 72514764a7c6..6954596addfd 100644
--- a/nixpkgs/nixos/modules/services/networking/morty.nix
+++ b/nixpkgs/nixos/modules/services/networking/morty.nix
@@ -42,12 +42,7 @@ in
         description = lib.mdDoc "Request timeout in seconds.";
       };
 
-      package = mkOption {
-        type = types.package;
-        default = pkgs.morty;
-        defaultText = literalExpression "pkgs.morty";
-        description = lib.mdDoc "morty package to use.";
-      };
+      package = mkPackageOption pkgs "morty" { };
 
       port = mkOption {
         type = types.port;
diff --git a/nixpkgs/nixos/modules/services/networking/mosquitto.nix b/nixpkgs/nixos/modules/services/networking/mosquitto.nix
index c53d86c0babc..f2b158b98942 100644
--- a/nixpkgs/nixos/modules/services/networking/mosquitto.nix
+++ b/nixpkgs/nixos/modules/services/networking/mosquitto.nix
@@ -482,14 +482,7 @@ let
   globalOptions = with types; {
     enable = mkEnableOption (lib.mdDoc "the MQTT Mosquitto broker");
 
-    package = mkOption {
-      type = package;
-      default = pkgs.mosquitto;
-      defaultText = literalExpression "pkgs.mosquitto";
-      description = lib.mdDoc ''
-        Mosquitto package to use.
-      '';
-    };
+    package = mkPackageOption pkgs "mosquitto" { };
 
     bridges = mkOption {
       type = attrsOf bridgeOptions;
diff --git a/nixpkgs/nixos/modules/services/networking/mtr-exporter.nix b/nixpkgs/nixos/modules/services/networking/mtr-exporter.nix
index af694c3e736b..38bc0401a7e6 100644
--- a/nixpkgs/nixos/modules/services/networking/mtr-exporter.nix
+++ b/nixpkgs/nixos/modules/services/networking/mtr-exporter.nix
@@ -5,7 +5,7 @@ let
     maintainers types literalExpression
     escapeShellArg escapeShellArgs
     mkEnableOption mkOption mkRemovedOptionModule mkIf mdDoc
-    optionalString concatMapStrings concatStringsSep;
+    mkPackageOption optionalString concatMapStrings concatStringsSep;
 
   cfg = config.services.mtr-exporter;
 
@@ -44,19 +44,9 @@ in {
           '';
         };
 
-        package = mkOption {
-          type = types.package;
-          default = pkgs.mtr-exporter;
-          defaultText = literalExpression "pkgs.mtr-exporter";
-          description = mdDoc "The MTR exporter package to use.";
-        };
+        package = mkPackageOption pkgs "mtr-exporter" { };
 
-        mtrPackage = mkOption {
-          type = types.package;
-          default = pkgs.mtr;
-          defaultText = literalExpression "pkgs.mtr";
-          description = mdDoc "The MTR package to use.";
-        };
+        mtrPackage = mkPackageOption pkgs "mtr" { };
 
         jobs = mkOption {
           description = mdDoc "List of MTR jobs. Will be added to /etc/mtr-exporter.conf";
diff --git a/nixpkgs/nixos/modules/services/networking/mullvad-vpn.nix b/nixpkgs/nixos/modules/services/networking/mullvad-vpn.nix
index 8c7d5237971f..446c71f40764 100644
--- a/nixpkgs/nixos/modules/services/networking/mullvad-vpn.nix
+++ b/nixpkgs/nixos/modules/services/networking/mullvad-vpn.nix
@@ -23,12 +23,10 @@ with lib;
       '';
     };
 
-    package = mkOption {
-      type = types.package;
-      default = pkgs.mullvad;
-      defaultText = literalExpression "pkgs.mullvad";
-      description = lib.mdDoc ''
-        The Mullvad package to use. `pkgs.mullvad` only provides the CLI tool, `pkgs.mullvad-vpn` provides both the CLI and the GUI.
+    package = mkPackageOption pkgs "mullvad" {
+      example = "mullvad-vpn";
+      extraDescription = ''
+        `pkgs.mullvad` only provides the CLI tool, `pkgs.mullvad-vpn` provides both the CLI and the GUI.
       '';
     };
   };
diff --git a/nixpkgs/nixos/modules/services/networking/multipath.nix b/nixpkgs/nixos/modules/services/networking/multipath.nix
index 9099cbe0cd32..42ffc3c88426 100644
--- a/nixpkgs/nixos/modules/services/networking/multipath.nix
+++ b/nixpkgs/nixos/modules/services/networking/multipath.nix
@@ -24,12 +24,7 @@ in {
 
     enable = mkEnableOption (lib.mdDoc "the device mapper multipath (DM-MP) daemon");
 
-    package = mkOption {
-      type = package;
-      description = lib.mdDoc "multipath-tools package to use";
-      default = pkgs.multipath-tools;
-      defaultText = lib.literalExpression "pkgs.multipath-tools";
-    };
+    package = mkPackageOption pkgs "multipath-tools" { };
 
     devices = mkOption {
       default = [ ];
diff --git a/nixpkgs/nixos/modules/services/networking/murmur.nix b/nixpkgs/nixos/modules/services/networking/murmur.nix
index 20c2eff11e62..0cd80e134ace 100644
--- a/nixpkgs/nixos/modules/services/networking/murmur.nix
+++ b/nixpkgs/nixos/modules/services/networking/murmur.nix
@@ -119,12 +119,7 @@ in
         description = lib.mdDoc "Host to bind to. Defaults binding on all addresses.";
       };
 
-      package = mkOption {
-        type = types.package;
-        default = pkgs.murmur;
-        defaultText = literalExpression "pkgs.murmur";
-        description = lib.mdDoc "Overridable attribute of the murmur package to use.";
-      };
+      package = mkPackageOption pkgs "murmur" { };
 
       password = mkOption {
         type = types.str;
diff --git a/nixpkgs/nixos/modules/services/networking/mxisd.nix b/nixpkgs/nixos/modules/services/networking/mxisd.nix
index 528a51c1f3af..47d2b16a1501 100644
--- a/nixpkgs/nixos/modules/services/networking/mxisd.nix
+++ b/nixpkgs/nixos/modules/services/networking/mxisd.nix
@@ -39,12 +39,7 @@ in {
     services.mxisd = {
       enable = mkEnableOption (lib.mdDoc "matrix federated identity server");
 
-      package = mkOption {
-        type = types.package;
-        default = pkgs.ma1sd;
-        defaultText = literalExpression "pkgs.ma1sd";
-        description = lib.mdDoc "The mxisd/ma1sd package to use";
-      };
+      package = mkPackageOption pkgs "ma1sd" { };
 
       environmentFile = mkOption {
         type = types.nullOr types.str;
diff --git a/nixpkgs/nixos/modules/services/networking/nar-serve.nix b/nixpkgs/nixos/modules/services/networking/nar-serve.nix
index b8b76120e44f..02b8979bd8bc 100644
--- a/nixpkgs/nixos/modules/services/networking/nar-serve.nix
+++ b/nixpkgs/nixos/modules/services/networking/nar-serve.nix
@@ -6,7 +6,7 @@ let
 in
 {
   meta = {
-    maintainers = [ maintainers.rizary ];
+    maintainers = [ maintainers.rizary maintainers.zimbatm ];
   };
   options = {
     services.nar-serve = {
diff --git a/nixpkgs/nixos/modules/services/networking/nat-nftables.nix b/nixpkgs/nixos/modules/services/networking/nat-nftables.nix
index 4b2317ca2ffc..7aa93d8a64b1 100644
--- a/nixpkgs/nixos/modules/services/networking/nat-nftables.nix
+++ b/nixpkgs/nixos/modules/services/networking/nat-nftables.nix
@@ -1,4 +1,4 @@
-{ config, lib, pkgs, ... }:
+{ config, lib, ... }:
 
 with lib;
 
@@ -35,26 +35,18 @@ let
 
   mkTable = { ipVer, dest, ipSet, forwardPorts, dmzHost }:
     let
-      # nftables does not support both port and port range as values in a dnat map.
-      # e.g. "dnat th dport map { 80 : 10.0.0.1 . 80, 443 : 10.0.0.2 . 900-1000 }"
-      # So we split them.
-      fwdPorts = filter (x: length (splitString "-" x.destination) == 1) forwardPorts;
-      fwdPortsRange = filter (x: length (splitString "-" x.destination) > 1) forwardPorts;
-
       # nftables maps for port forward
       # l4proto . dport : addr . port
-      toFwdMap = forwardPorts: toNftSet (map
+      fwdMap = toNftSet (map
         (fwd:
           with (splitIPPorts fwd.destination);
           "${fwd.proto} . ${toNftRange fwd.sourcePort} : ${IP} . ${ports}"
         )
         forwardPorts);
-      fwdMap = toFwdMap fwdPorts;
-      fwdRangeMap = toFwdMap fwdPortsRange;
 
       # nftables maps for port forward loopback dnat
       # daddr . l4proto . dport : addr . port
-      toFwdLoopDnatMap = forwardPorts: toNftSet (concatMap
+      fwdLoopDnatMap = toNftSet (concatMap
         (fwd: map
           (loopbackip:
             with (splitIPPorts fwd.destination);
@@ -62,8 +54,6 @@ let
           )
           fwd.loopbackIPs)
         forwardPorts);
-      fwdLoopDnatMap = toFwdLoopDnatMap fwdPorts;
-      fwdLoopDnatRangeMap = toFwdLoopDnatMap fwdPortsRange;
 
       # nftables set for port forward loopback snat
       # daddr . l4proto . dport
@@ -79,17 +69,11 @@ let
         type nat hook prerouting priority dstnat;
 
         ${optionalString (fwdMap != "") ''
-          iifname "${cfg.externalInterface}" dnat meta l4proto . th dport map { ${fwdMap} } comment "port forward"
-        ''}
-        ${optionalString (fwdRangeMap != "") ''
-          iifname "${cfg.externalInterface}" dnat meta l4proto . th dport map { ${fwdRangeMap} } comment "port forward"
+          iifname "${cfg.externalInterface}" meta l4proto { tcp, udp } dnat meta l4proto . th dport map { ${fwdMap} } comment "port forward"
         ''}
 
         ${optionalString (fwdLoopDnatMap != "") ''
-          dnat ${ipVer} daddr . meta l4proto . th dport map { ${fwdLoopDnatMap} } comment "port forward loopback from other hosts behind NAT"
-        ''}
-        ${optionalString (fwdLoopDnatRangeMap != "") ''
-          dnat ${ipVer} daddr . meta l4proto . th dport map { ${fwdLoopDnatRangeMap} } comment "port forward loopback from other hosts behind NAT"
+          meta l4proto { tcp, udp } dnat ${ipVer} daddr . meta l4proto . th dport map { ${fwdLoopDnatMap} } comment "port forward loopback from other hosts behind NAT"
         ''}
 
         ${optionalString (dmzHost != null) ''
@@ -116,10 +100,7 @@ let
         type nat hook output priority mangle;
 
         ${optionalString (fwdLoopDnatMap != "") ''
-          dnat ${ipVer} daddr . meta l4proto . th dport map { ${fwdLoopDnatMap} } comment "port forward loopback from the host itself"
-        ''}
-        ${optionalString (fwdLoopDnatRangeMap != "") ''
-          dnat ${ipVer} daddr . meta l4proto . th dport map { ${fwdLoopDnatRangeMap} } comment "port forward loopback from the host itself"
+          meta l4proto { tcp, udp } dnat ${ipVer} daddr . meta l4proto . th dport map { ${fwdLoopDnatMap} } comment "port forward loopback from the host itself"
         ''}
       }
     '';
diff --git a/nixpkgs/nixos/modules/services/networking/nebula.nix b/nixpkgs/nixos/modules/services/networking/nebula.nix
index e1a8c6740f57..b9ebbfbd9a29 100644
--- a/nixpkgs/nixos/modules/services/networking/nebula.nix
+++ b/nixpkgs/nixos/modules/services/networking/nebula.nix
@@ -27,12 +27,7 @@ in
               description = lib.mdDoc "Enable or disable this network.";
             };
 
-            package = mkOption {
-              type = types.package;
-              default = pkgs.nebula;
-              defaultText = literalExpression "pkgs.nebula";
-              description = lib.mdDoc "Nebula derivation to use.";
-            };
+            package = mkPackageOption pkgs "nebula" { };
 
             ca = mkOption {
               type = types.path;
diff --git a/nixpkgs/nixos/modules/services/networking/netbird.nix b/nixpkgs/nixos/modules/services/networking/netbird.nix
index 647c0ce3e6d1..4b0bd63e9dbc 100644
--- a/nixpkgs/nixos/modules/services/networking/netbird.nix
+++ b/nixpkgs/nixos/modules/services/networking/netbird.nix
@@ -11,12 +11,7 @@ in {
 
   options.services.netbird = {
     enable = mkEnableOption (lib.mdDoc "Netbird daemon");
-    package = mkOption {
-      type = types.package;
-      default = pkgs.netbird;
-      defaultText = literalExpression "pkgs.netbird";
-      description = lib.mdDoc "The package to use for netbird";
-    };
+    package = mkPackageOption pkgs "netbird" { };
   };
 
   config = mkIf cfg.enable {
diff --git a/nixpkgs/nixos/modules/services/networking/netclient.nix b/nixpkgs/nixos/modules/services/networking/netclient.nix
index 124735fd716a..43b8f07cca04 100644
--- a/nixpkgs/nixos/modules/services/networking/netclient.nix
+++ b/nixpkgs/nixos/modules/services/networking/netclient.nix
@@ -7,7 +7,7 @@ in
 
   options.services.netclient = {
     enable = lib.mkEnableOption (lib.mdDoc "Netclient Daemon");
-    package = lib.mkPackageOptionMD pkgs "netclient" { };
+    package = lib.mkPackageOption pkgs "netclient" { };
   };
 
   config = lib.mkIf cfg.enable {
diff --git a/nixpkgs/nixos/modules/services/networking/ngircd.nix b/nixpkgs/nixos/modules/services/networking/ngircd.nix
index 5e721f5aa625..a2fff78fdff8 100644
--- a/nixpkgs/nixos/modules/services/networking/ngircd.nix
+++ b/nixpkgs/nixos/modules/services/networking/ngircd.nix
@@ -28,14 +28,7 @@ in {
         type = types.lines;
       };
 
-      package = mkOption {
-        description = lib.mdDoc "The ngircd package.";
-
-        type = types.package;
-
-        default = pkgs.ngircd;
-        defaultText = literalExpression "pkgs.ngircd";
-      };
+      package = mkPackageOption pkgs "ngircd" { };
     };
   };
 
diff --git a/nixpkgs/nixos/modules/services/networking/nix-serve.nix b/nixpkgs/nixos/modules/services/networking/nix-serve.nix
index 8c4352bc95e8..a0c0be2ff254 100644
--- a/nixpkgs/nixos/modules/services/networking/nix-serve.nix
+++ b/nixpkgs/nixos/modules/services/networking/nix-serve.nix
@@ -26,14 +26,7 @@ in
         '';
       };
 
-      package = mkOption {
-        type = types.package;
-        default = pkgs.nix-serve;
-        defaultText = literalExpression "pkgs.nix-serve";
-        description = lib.mdDoc ''
-          nix-serve package to use.
-        '';
-      };
+      package = mkPackageOption pkgs "nix-serve" { };
 
       openFirewall = mkOption {
         type = types.bool;
@@ -67,7 +60,9 @@ in
   };
 
   config = mkIf cfg.enable {
-    nix.settings.extra-allowed-users = [ "nix-serve" ];
+    nix.settings = lib.optionalAttrs (lib.versionAtLeast config.nix.package.version "2.4") {
+      extra-allowed-users = [ "nix-serve" ];
+    };
 
     systemd.services.nix-serve = {
       description = "nix-serve binary cache server";
diff --git a/nixpkgs/nixos/modules/services/networking/nomad.nix b/nixpkgs/nixos/modules/services/networking/nomad.nix
index b1e51195247a..8cb0264648de 100644
--- a/nixpkgs/nixos/modules/services/networking/nomad.nix
+++ b/nixpkgs/nixos/modules/services/networking/nomad.nix
@@ -10,14 +10,7 @@ in
     services.nomad = {
       enable = mkEnableOption (lib.mdDoc "Nomad, a distributed, highly available, datacenter-aware scheduler");
 
-      package = mkOption {
-        type = types.package;
-        default = pkgs.nomad;
-        defaultText = literalExpression "pkgs.nomad";
-        description = lib.mdDoc ''
-          The package used for the Nomad agent and CLI.
-        '';
-      };
+      package = mkPackageOption pkgs "nomad" { };
 
       extraPackages = mkOption {
         type = types.listOf types.package;
diff --git a/nixpkgs/nixos/modules/services/networking/ntp/chrony.nix b/nixpkgs/nixos/modules/services/networking/ntp/chrony.nix
index 3f10145033c5..b56bea4e134f 100644
--- a/nixpkgs/nixos/modules/services/networking/ntp/chrony.nix
+++ b/nixpkgs/nixos/modules/services/networking/ntp/chrony.nix
@@ -47,14 +47,7 @@ in
         '';
       };
 
-      package = mkOption {
-        type = types.package;
-        default = pkgs.chrony;
-        defaultText = literalExpression "pkgs.chrony";
-        description = lib.mdDoc ''
-          Which chrony package to use.
-        '';
-      };
+      package = mkPackageOption pkgs "chrony" { };
 
       servers = mkOption {
         default = config.networking.timeServers;
diff --git a/nixpkgs/nixos/modules/services/networking/openconnect.nix b/nixpkgs/nixos/modules/services/networking/openconnect.nix
index 7f9006053b89..d2730faf9381 100644
--- a/nixpkgs/nixos/modules/services/networking/openconnect.nix
+++ b/nixpkgs/nixos/modules/services/networking/openconnect.nix
@@ -117,7 +117,7 @@ let
   };
 in {
   options.networking.openconnect = {
-    package = mkPackageOptionMD pkgs "openconnect" { };
+    package = mkPackageOption pkgs "openconnect" { };
 
     interfaces = mkOption {
       description = lib.mdDoc "OpenConnect interfaces.";
diff --git a/nixpkgs/nixos/modules/services/networking/peroxide.nix b/nixpkgs/nixos/modules/services/networking/peroxide.nix
index 885ee1d96cd0..34c82e2c8b03 100644
--- a/nixpkgs/nixos/modules/services/networking/peroxide.nix
+++ b/nixpkgs/nixos/modules/services/networking/peroxide.nix
@@ -11,7 +11,7 @@ in
   options.services.peroxide = {
     enable = mkEnableOption (lib.mdDoc "peroxide");
 
-    package = mkPackageOptionMD pkgs "peroxide" {
+    package = mkPackageOption pkgs "peroxide" {
       default = [ "peroxide" ];
     };
 
diff --git a/nixpkgs/nixos/modules/services/networking/pleroma.nix b/nixpkgs/nixos/modules/services/networking/pleroma.nix
index 89e64d36c8a0..db0a61b83469 100644
--- a/nixpkgs/nixos/modules/services/networking/pleroma.nix
+++ b/nixpkgs/nixos/modules/services/networking/pleroma.nix
@@ -6,12 +6,7 @@ in {
     services.pleroma = with lib; {
       enable = mkEnableOption (lib.mdDoc "pleroma");
 
-      package = mkOption {
-        type = types.package;
-        default = pkgs.pleroma;
-        defaultText = literalExpression "pkgs.pleroma";
-        description = lib.mdDoc "Pleroma package to use.";
-      };
+      package = mkPackageOption pkgs "pleroma" { };
 
       user = mkOption {
         type = types.str;
diff --git a/nixpkgs/nixos/modules/services/networking/pppd.nix b/nixpkgs/nixos/modules/services/networking/pppd.nix
index 75fc04c67571..855b5358f47f 100644
--- a/nixpkgs/nixos/modules/services/networking/pppd.nix
+++ b/nixpkgs/nixos/modules/services/networking/pppd.nix
@@ -14,12 +14,7 @@ in
     services.pppd = {
       enable = mkEnableOption (lib.mdDoc "pppd");
 
-      package = mkOption {
-        default = pkgs.ppp;
-        defaultText = literalExpression "pkgs.ppp";
-        type = types.package;
-        description = lib.mdDoc "pppd package to use.";
-      };
+      package = mkPackageOption pkgs "ppp" { };
 
       peers = mkOption {
         default = {};
diff --git a/nixpkgs/nixos/modules/services/networking/prosody.nix b/nixpkgs/nixos/modules/services/networking/prosody.nix
index 038d574bd878..2952df2a1099 100644
--- a/nixpkgs/nixos/modules/services/networking/prosody.nix
+++ b/nixpkgs/nixos/modules/services/networking/prosody.nix
@@ -496,12 +496,8 @@ in
         '';
       };
 
-      package = mkOption {
-        type = types.package;
-        description = lib.mdDoc "Prosody package to use";
-        default = pkgs.prosody;
-        defaultText = literalExpression "pkgs.prosody";
-        example = literalExpression ''
+      package = mkPackageOption pkgs "prosody" {
+        example = ''
           pkgs.prosody.override {
             withExtraLibs = [ pkgs.luaPackages.lpty ];
             withCommunityModules = [ "auth_external" ];
diff --git a/nixpkgs/nixos/modules/services/networking/quassel.nix b/nixpkgs/nixos/modules/services/networking/quassel.nix
index a074023b5ee4..4294d67fffd3 100644
--- a/nixpkgs/nixos/modules/services/networking/quassel.nix
+++ b/nixpkgs/nixos/modules/services/networking/quassel.nix
@@ -35,14 +35,7 @@ in
         '';
       };
 
-      package = mkOption {
-        type = types.package;
-        default = pkgs.quasselDaemon;
-        defaultText = literalExpression "pkgs.quasselDaemon";
-        description = lib.mdDoc ''
-          The package of the quassel daemon.
-        '';
-      };
+      package = mkPackageOption pkgs "quasselDaemon" { };
 
       interfaces = mkOption {
         type = types.listOf types.str;
diff --git a/nixpkgs/nixos/modules/services/networking/radvd.nix b/nixpkgs/nixos/modules/services/networking/radvd.nix
index 72590eda4ee6..57aa21287050 100644
--- a/nixpkgs/nixos/modules/services/networking/radvd.nix
+++ b/nixpkgs/nixos/modules/services/networking/radvd.nix
@@ -32,14 +32,7 @@ in
         '';
     };
 
-    package = mkOption {
-      type = types.package;
-      default = pkgs.radvd;
-      defaultText = literalExpression "pkgs.radvd";
-      description = lib.mdDoc ''
-        The RADVD package to use for the RADVD service.
-      '';
-    };
+    package = mkPackageOption pkgs "radvd" { };
 
     config = mkOption {
       type = types.lines;
diff --git a/nixpkgs/nixos/modules/services/networking/routedns.nix b/nixpkgs/nixos/modules/services/networking/routedns.nix
index 2a29a06700ce..126539702438 100644
--- a/nixpkgs/nixos/modules/services/networking/routedns.nix
+++ b/nixpkgs/nixos/modules/services/networking/routedns.nix
@@ -52,12 +52,7 @@ in
       description = lib.mdDoc "Path to RouteDNS TOML configuration file.";
     };
 
-    package = mkOption {
-      default = pkgs.routedns;
-      defaultText = literalExpression "pkgs.routedns";
-      type = types.package;
-      description = lib.mdDoc "RouteDNS package to use.";
-    };
+    package = mkPackageOption pkgs "routedns" { };
   };
 
   config = mkIf cfg.enable {
diff --git a/nixpkgs/nixos/modules/services/networking/sabnzbd.nix b/nixpkgs/nixos/modules/services/networking/sabnzbd.nix
index 8f3545df8995..cff2622b38e9 100644
--- a/nixpkgs/nixos/modules/services/networking/sabnzbd.nix
+++ b/nixpkgs/nixos/modules/services/networking/sabnzbd.nix
@@ -17,12 +17,7 @@ in
     services.sabnzbd = {
       enable = mkEnableOption (lib.mdDoc "the sabnzbd server");
 
-      package = mkOption {
-        type = types.package;
-        default = pkgs.sabnzbd;
-        defaultText = lib.literalExpression "pkgs.sabnzbd";
-        description = lib.mdDoc "The sabnzbd executable package run by the service.";
-      };
+      package = mkPackageOption pkgs "sabnzbd" { };
 
       configFile = mkOption {
         type = types.path;
diff --git a/nixpkgs/nixos/modules/services/networking/seafile.nix b/nixpkgs/nixos/modules/services/networking/seafile.nix
index b07d51b9b49a..9caabc60c78f 100644
--- a/nixpkgs/nixos/modules/services/networking/seafile.nix
+++ b/nixpkgs/nixos/modules/services/networking/seafile.nix
@@ -121,12 +121,7 @@ in {
       '';
     };
 
-    seafilePackage = mkOption {
-      type = types.package;
-      description = lib.mdDoc "Which package to use for the seafile server.";
-      default = pkgs.seafile-server;
-      defaultText = literalExpression "pkgs.seafile-server";
-    };
+    seafilePackage = mkPackageOption pkgs "seafile-server" { };
 
     seahubExtraConf = mkOption {
       default = "";
diff --git a/nixpkgs/nixos/modules/services/networking/searx.nix b/nixpkgs/nixos/modules/services/networking/searx.nix
index 8054f01d705f..938d585e3179 100644
--- a/nixpkgs/nixos/modules/services/networking/searx.nix
+++ b/nixpkgs/nixos/modules/services/networking/searx.nix
@@ -143,12 +143,7 @@ in
         '';
       };
 
-      package = mkOption {
-        type = types.package;
-        default = pkgs.searxng;
-        defaultText = literalExpression "pkgs.searxng";
-        description = lib.mdDoc "searx package to use.";
-      };
+      package = mkPackageOption pkgs "searxng" { };
 
       runInUwsgi = mkOption {
         type = types.bool;
diff --git a/nixpkgs/nixos/modules/services/networking/shellhub-agent.nix b/nixpkgs/nixos/modules/services/networking/shellhub-agent.nix
index 7cce23cb9c4e..ad33c50f9d63 100644
--- a/nixpkgs/nixos/modules/services/networking/shellhub-agent.nix
+++ b/nixpkgs/nixos/modules/services/networking/shellhub-agent.nix
@@ -14,7 +14,7 @@ in
 
       enable = mkEnableOption (lib.mdDoc "ShellHub Agent daemon");
 
-      package = mkPackageOptionMD pkgs "shellhub-agent" { };
+      package = mkPackageOption pkgs "shellhub-agent" { };
 
       preferredHostname = mkOption {
         type = types.str;
diff --git a/nixpkgs/nixos/modules/services/networking/sing-box.nix b/nixpkgs/nixos/modules/services/networking/sing-box.nix
index a884bcd271ec..ea7363713601 100644
--- a/nixpkgs/nixos/modules/services/networking/sing-box.nix
+++ b/nixpkgs/nixos/modules/services/networking/sing-box.nix
@@ -13,7 +13,7 @@ in
     services.sing-box = {
       enable = lib.mkEnableOption (lib.mdDoc "sing-box universal proxy platform");
 
-      package = lib.mkPackageOptionMD pkgs "sing-box" { };
+      package = lib.mkPackageOption pkgs "sing-box" { };
 
       settings = lib.mkOption {
         type = lib.types.submodule {
diff --git a/nixpkgs/nixos/modules/services/networking/skydns.nix b/nixpkgs/nixos/modules/services/networking/skydns.nix
index 84cf6b0deac1..0514bff2767e 100644
--- a/nixpkgs/nixos/modules/services/networking/skydns.nix
+++ b/nixpkgs/nixos/modules/services/networking/skydns.nix
@@ -55,12 +55,7 @@ in {
       example = ["8.8.8.8:53" "8.8.4.4:53"];
     };
 
-    package = mkOption {
-      default = pkgs.skydns;
-      defaultText = literalExpression "pkgs.skydns";
-      type = types.package;
-      description = lib.mdDoc "Skydns package to use.";
-    };
+    package = mkPackageOption pkgs "skydns" { };
 
     extraConfig = mkOption {
       default = {};
diff --git a/nixpkgs/nixos/modules/services/networking/smokeping.nix b/nixpkgs/nixos/modules/services/networking/smokeping.nix
index c7aec7d9489f..4ecf411c7496 100644
--- a/nixpkgs/nixos/modules/services/networking/smokeping.nix
+++ b/nixpkgs/nixos/modules/services/networking/smokeping.nix
@@ -165,12 +165,7 @@ in
         example = "no-reply@yourdomain.com";
         description = lib.mdDoc "Email contact for owner";
       };
-      package = mkOption {
-        type = types.package;
-        default = pkgs.smokeping;
-        defaultText = literalExpression "pkgs.smokeping";
-        description = lib.mdDoc "Specify a custom smokeping package";
-      };
+      package = mkPackageOption pkgs "smokeping" { };
       host = mkOption {
         type = types.nullOr types.str;
         default = "localhost";
diff --git a/nixpkgs/nixos/modules/services/networking/softether.nix b/nixpkgs/nixos/modules/services/networking/softether.nix
index c8e888eafcc2..234832ea0c0f 100644
--- a/nixpkgs/nixos/modules/services/networking/softether.nix
+++ b/nixpkgs/nixos/modules/services/networking/softether.nix
@@ -18,14 +18,7 @@ in
 
       enable = mkEnableOption (lib.mdDoc "SoftEther VPN services");
 
-      package = mkOption {
-        type = types.package;
-        default = pkgs.softether;
-        defaultText = literalExpression "pkgs.softether";
-        description = lib.mdDoc ''
-          softether derivation to use.
-        '';
-      };
+      package = mkPackageOption pkgs "softether" { };
 
       vpnserver.enable = mkEnableOption (lib.mdDoc "SoftEther VPN Server");
 
diff --git a/nixpkgs/nixos/modules/services/networking/spacecookie.nix b/nixpkgs/nixos/modules/services/networking/spacecookie.nix
index b2956edfcb7f..745c942ba60b 100644
--- a/nixpkgs/nixos/modules/services/networking/spacecookie.nix
+++ b/nixpkgs/nixos/modules/services/networking/spacecookie.nix
@@ -27,15 +27,8 @@ in {
 
       enable = mkEnableOption (lib.mdDoc "spacecookie");
 
-      package = mkOption {
-        type = types.package;
-        default = pkgs.spacecookie;
-        defaultText = literalExpression "pkgs.spacecookie";
-        example = literalExpression "pkgs.haskellPackages.spacecookie";
-        description = lib.mdDoc ''
-          The spacecookie derivation to use. This can be used to
-          override the used package or to use another version.
-        '';
+      package = mkPackageOption pkgs "spacecookie" {
+        example = "haskellPackages.spacecookie";
       };
 
       openFirewall = mkOption {
diff --git a/nixpkgs/nixos/modules/services/networking/squid.nix b/nixpkgs/nixos/modules/services/networking/squid.nix
index f93bcf19f2b3..68f4dc3d6dc1 100644
--- a/nixpkgs/nixos/modules/services/networking/squid.nix
+++ b/nixpkgs/nixos/modules/services/networking/squid.nix
@@ -111,12 +111,7 @@ in
         description = lib.mdDoc "Whether to run squid web proxy.";
       };
 
-      package = mkOption {
-        default = pkgs.squid;
-        defaultText = literalExpression "pkgs.squid";
-        type = types.package;
-        description = lib.mdDoc "Squid package to use.";
-      };
+      package = mkPackageOption pkgs "squid" { };
 
       proxyAddress = mkOption {
         type = types.nullOr types.str;
diff --git a/nixpkgs/nixos/modules/services/networking/strongswan-swanctl/module.nix b/nixpkgs/nixos/modules/services/networking/strongswan-swanctl/module.nix
index bfea89969728..c8832ed4defb 100644
--- a/nixpkgs/nixos/modules/services/networking/strongswan-swanctl/module.nix
+++ b/nixpkgs/nixos/modules/services/networking/strongswan-swanctl/module.nix
@@ -10,14 +10,7 @@ in  {
   options.services.strongswan-swanctl = {
     enable = mkEnableOption (lib.mdDoc "strongswan-swanctl service");
 
-    package = mkOption {
-      type = types.package;
-      default = pkgs.strongswan;
-      defaultText = literalExpression "pkgs.strongswan";
-      description = lib.mdDoc ''
-        The strongswan derivation to use.
-      '';
-    };
+    package = mkPackageOption pkgs "strongswan" { };
 
     strongswan.extraConfig = mkOption {
       type = types.str;
diff --git a/nixpkgs/nixos/modules/services/networking/syncthing.nix b/nixpkgs/nixos/modules/services/networking/syncthing.nix
index 6d9af6141f12..99d4d9eeffcc 100644
--- a/nixpkgs/nixos/modules/services/networking/syncthing.nix
+++ b/nixpkgs/nixos/modules/services/networking/syncthing.nix
@@ -583,14 +583,7 @@ in {
         '';
       };
 
-      package = mkOption {
-        type = types.package;
-        default = pkgs.syncthing;
-        defaultText = literalExpression "pkgs.syncthing";
-        description = lib.mdDoc ''
-          The Syncthing package to use.
-        '';
-      };
+      package = mkPackageOption pkgs "syncthing" { };
     };
   };
 
diff --git a/nixpkgs/nixos/modules/services/networking/tailscale.nix b/nixpkgs/nixos/modules/services/networking/tailscale.nix
index a5d171e0baab..3822df81063d 100644
--- a/nixpkgs/nixos/modules/services/networking/tailscale.nix
+++ b/nixpkgs/nixos/modules/services/networking/tailscale.nix
@@ -29,7 +29,7 @@ in {
       description = lib.mdDoc "Username or user ID of the user allowed to to fetch Tailscale TLS certificates for the node.";
     };
 
-    package = lib.mkPackageOptionMD pkgs "tailscale" {};
+    package = lib.mkPackageOption pkgs "tailscale" {};
 
     openFirewall = mkOption {
       default = false;
diff --git a/nixpkgs/nixos/modules/services/networking/tayga.nix b/nixpkgs/nixos/modules/services/networking/tayga.nix
index 299ae2777f7c..63423bf02922 100644
--- a/nixpkgs/nixos/modules/services/networking/tayga.nix
+++ b/nixpkgs/nixos/modules/services/networking/tayga.nix
@@ -64,12 +64,7 @@ in
     services.tayga = {
       enable = mkEnableOption (lib.mdDoc "Tayga");
 
-      package = mkOption {
-        type = types.package;
-        default = pkgs.tayga;
-        defaultText = lib.literalMD "pkgs.tayga";
-        description = lib.mdDoc "This option specifies the TAYGA package to use.";
-      };
+      package = mkPackageOption pkgs "tayga" { };
 
       ipv4 = mkOption {
         type = types.submodule (versionOpts 4);
diff --git a/nixpkgs/nixos/modules/services/networking/teleport.nix b/nixpkgs/nixos/modules/services/networking/teleport.nix
index 399af711c0e1..add6b47315b1 100644
--- a/nixpkgs/nixos/modules/services/networking/teleport.nix
+++ b/nixpkgs/nixos/modules/services/networking/teleport.nix
@@ -11,12 +11,8 @@ in
     services.teleport = with lib.types; {
       enable = mkEnableOption (lib.mdDoc "the Teleport service");
 
-      package = mkOption {
-        type = types.package;
-        default = pkgs.teleport;
-        defaultText = lib.literalMD "pkgs.teleport";
-        example = lib.literalMD "pkgs.teleport_11";
-        description = lib.mdDoc "The teleport package to use";
+      package = mkPackageOption pkgs "teleport" {
+        example = "teleport_11";
       };
 
       settings = mkOption {
diff --git a/nixpkgs/nixos/modules/services/networking/thelounge.nix b/nixpkgs/nixos/modules/services/networking/thelounge.nix
index 321e46fb5d4d..92da2e6c254b 100644
--- a/nixpkgs/nixos/modules/services/networking/thelounge.nix
+++ b/nixpkgs/nixos/modules/services/networking/thelounge.nix
@@ -25,7 +25,7 @@ in
   options.services.thelounge = {
     enable = mkEnableOption (lib.mdDoc "The Lounge web IRC client");
 
-    package = mkPackageOptionMD pkgs "thelounge" { };
+    package = mkPackageOption pkgs "thelounge" { };
 
     public = mkOption {
       type = types.bool;
diff --git a/nixpkgs/nixos/modules/services/networking/tinc.nix b/nixpkgs/nixos/modules/services/networking/tinc.nix
index 7db83e6a584b..eb769f53901c 100644
--- a/nixpkgs/nixos/modules/services/networking/tinc.nix
+++ b/nixpkgs/nixos/modules/services/networking/tinc.nix
@@ -279,14 +279,7 @@ in
               '';
             };
 
-            package = mkOption {
-              type = types.package;
-              default = pkgs.tinc_pre;
-              defaultText = literalExpression "pkgs.tinc_pre";
-              description = lib.mdDoc ''
-                The package to use for the tinc daemon's binary.
-              '';
-            };
+            package = mkPackageOption pkgs "tinc_pre" { };
 
             chroot = mkOption {
               default = false;
diff --git a/nixpkgs/nixos/modules/services/networking/tinyproxy.nix b/nixpkgs/nixos/modules/services/networking/tinyproxy.nix
index 9bcd8bfd814b..42d45c460c2e 100644
--- a/nixpkgs/nixos/modules/services/networking/tinyproxy.nix
+++ b/nixpkgs/nixos/modules/services/networking/tinyproxy.nix
@@ -28,7 +28,7 @@ in
   options = {
     services.tinyproxy = {
       enable = mkEnableOption (lib.mdDoc "Tinyproxy daemon");
-      package = mkPackageOptionMD pkgs "tinyproxy" {};
+      package = mkPackageOption pkgs "tinyproxy" {};
       settings = mkOption {
         description = lib.mdDoc "Configuration for [tinyproxy](https://tinyproxy.github.io/).";
         default = { };
diff --git a/nixpkgs/nixos/modules/services/networking/tmate-ssh-server.nix b/nixpkgs/nixos/modules/services/networking/tmate-ssh-server.nix
index ff4ce0773309..6bee2721f9a7 100644
--- a/nixpkgs/nixos/modules/services/networking/tmate-ssh-server.nix
+++ b/nixpkgs/nixos/modules/services/networking/tmate-ssh-server.nix
@@ -18,12 +18,7 @@ in
   options.services.tmate-ssh-server = {
     enable = mkEnableOption (mdDoc "tmate ssh server");
 
-    package = mkOption {
-      type = types.package;
-      description = mdDoc "The package containing tmate-ssh-server";
-      defaultText = literalExpression "pkgs.tmate-ssh-server";
-      default = pkgs.tmate-ssh-server;
-    };
+    package = mkPackageOption pkgs "tmate-ssh-server" { };
 
     host = mkOption {
       type = types.str;
@@ -81,12 +76,12 @@ in
       [
         (pkgs.writeShellApplication {
           name = "tmate-client-config";
-          runtimeInputs = with pkgs;[ openssh coreutils sd ];
+          runtimeInputs = with pkgs;[ openssh coreutils ];
           text = ''
             RSA_SIG="$(ssh-keygen -l -E SHA256 -f "${keysDir}/ssh_host_rsa_key.pub" | cut -d ' ' -f 2)"
             ED25519_SIG="$(ssh-keygen -l -E SHA256 -f "${keysDir}/ssh_host_ed25519_key.pub" | cut -d ' ' -f 2)"
-            sd -sp '@ed25519_fingerprint@' "$ED25519_SIG" ${tmate-config} | \
-              sd -sp '@rsa_fingerprint@' "$RSA_SIG"
+            sed "s|@ed25519_fingerprint@|$ED25519_SIG|g" ${tmate-config} | \
+              sed "s|@rsa_fingerprint@|$RSA_SIG|g"
           '';
         })
       ];
diff --git a/nixpkgs/nixos/modules/services/networking/trickster.nix b/nixpkgs/nixos/modules/services/networking/trickster.nix
index 0b696e412b4d..4b920ec446e0 100644
--- a/nixpkgs/nixos/modules/services/networking/trickster.nix
+++ b/nixpkgs/nixos/modules/services/networking/trickster.nix
@@ -20,14 +20,7 @@ in
         '';
       };
 
-      package = mkOption {
-        type = types.package;
-        default = pkgs.trickster;
-        defaultText = literalExpression "pkgs.trickster";
-        description = lib.mdDoc ''
-          Package that should be used for trickster.
-        '';
-      };
+      package = mkPackageOption pkgs "trickster" { };
 
       configFile = mkOption {
         type = types.nullOr types.path;
diff --git a/nixpkgs/nixos/modules/services/networking/trust-dns.nix b/nixpkgs/nixos/modules/services/networking/trust-dns.nix
index 758e33f16d38..47020341024b 100644
--- a/nixpkgs/nixos/modules/services/networking/trust-dns.nix
+++ b/nixpkgs/nixos/modules/services/networking/trust-dns.nix
@@ -48,13 +48,11 @@ in
   options = {
     services.trust-dns = with lib; {
       enable = mkEnableOption (lib.mdDoc "trust-dns");
-      package = mkOption {
-        type = types.package;
-        default = pkgs.trust-dns;
-        defaultText = "pkgs.trust-dns";
-        description = mdDoc ''
-          Trust-dns package to use.
-          The package must provide `meta.mainProgram` which names the server binary; any other utilities (client, resolver) are not needed.
+      package = mkPackageOption pkgs "trust-dns" {
+        extraDescription = ''
+          ::: {.note}
+          The package must provide `meta.mainProgram` which names the server binayr; any other utilities (client, resolver) are not needed.
+          :::
         '';
       };
       quiet = mkOption {
diff --git a/nixpkgs/nixos/modules/services/networking/twingate.nix b/nixpkgs/nixos/modules/services/networking/twingate.nix
index 03c68fc874f0..6874b1c18b57 100644
--- a/nixpkgs/nixos/modules/services/networking/twingate.nix
+++ b/nixpkgs/nixos/modules/services/networking/twingate.nix
@@ -6,7 +6,7 @@ in
 {
   options.services.twingate = {
     enable = lib.mkEnableOption (lib.mdDoc "Twingate Client daemon");
-    package = lib.mkPackageOptionMD pkgs "twingate" { };
+    package = lib.mkPackageOption pkgs "twingate" { };
   };
 
   config = lib.mkIf cfg.enable {
diff --git a/nixpkgs/nixos/modules/services/networking/ucarp.nix b/nixpkgs/nixos/modules/services/networking/ucarp.nix
index 1214cec63f54..56799fe00ade 100644
--- a/nixpkgs/nixos/modules/services/networking/ucarp.nix
+++ b/nixpkgs/nixos/modules/services/networking/ucarp.nix
@@ -143,16 +143,11 @@ in {
       default = null;
     };
 
-    package = mkOption {
-      type = types.package;
-      description = lib.mdDoc ''
-        Package that should be used for ucarp.
-
+    package = mkPackageOption pkgs "ucarp" {
+      extraDescription = ''
         Please note that the default package, pkgs.ucarp, has not received any
         upstream updates for a long time and can be considered as unmaintained.
       '';
-      default = pkgs.ucarp;
-      defaultText = literalExpression "pkgs.ucarp";
     };
   };
 
diff --git a/nixpkgs/nixos/modules/services/networking/unbound.nix b/nixpkgs/nixos/modules/services/networking/unbound.nix
index b6579af10a79..616b32f11797 100644
--- a/nixpkgs/nixos/modules/services/networking/unbound.nix
+++ b/nixpkgs/nixos/modules/services/networking/unbound.nix
@@ -42,12 +42,7 @@ in {
 
       enable = mkEnableOption (lib.mdDoc "Unbound domain name server");
 
-      package = mkOption {
-        type = types.package;
-        default = pkgs.unbound-with-systemd;
-        defaultText = literalExpression "pkgs.unbound-with-systemd";
-        description = lib.mdDoc "The unbound package to use";
-      };
+      package = mkPackageOption pkgs "unbound-with-systemd" { };
 
       user = mkOption {
         type = types.str;
diff --git a/nixpkgs/nixos/modules/services/networking/unifi.nix b/nixpkgs/nixos/modules/services/networking/unifi.nix
index 537a4db95ca7..8eb29f2bcdb6 100644
--- a/nixpkgs/nixos/modules/services/networking/unifi.nix
+++ b/nixpkgs/nixos/modules/services/networking/unifi.nix
@@ -36,21 +36,14 @@ in
       '';
     };
 
-    services.unifi.unifiPackage = lib.mkOption {
-      type = lib.types.package;
-      default = pkgs.unifi5;
-      defaultText = lib.literalExpression "pkgs.unifi5";
-      description = lib.mdDoc ''
-        The unifi package to use.
-      '';
-    };
-
-    services.unifi.mongodbPackage = lib.mkOption {
-      type = lib.types.package;
-      default = pkgs.mongodb-4_4;
-      defaultText = lib.literalExpression "pkgs.mongodb";
-      description = lib.mdDoc ''
-        The mongodb package to use. Please note: unifi7 officially only supports mongodb up until 3.6 but works with 4.4.
+    services.unifi.unifiPackage = lib.mkPackageOption pkgs "unifi5" { };
+
+    services.unifi.mongodbPackage = lib.mkPackageOption pkgs "mongodb" {
+      default = "mongodb-4_4";
+      extraDescription = ''
+        ::: {.note}
+        unifi7 officially only supports mongodb up until 3.6 but works with 4.4.
+        :::
       '';
     };
 
diff --git a/nixpkgs/nixos/modules/services/networking/v2ray.nix b/nixpkgs/nixos/modules/services/networking/v2ray.nix
index ba2aa5bc1de7..3e1895fbe20c 100644
--- a/nixpkgs/nixos/modules/services/networking/v2ray.nix
+++ b/nixpkgs/nixos/modules/services/networking/v2ray.nix
@@ -16,14 +16,7 @@ with lib;
         '';
       };
 
-      package = mkOption {
-        type = types.package;
-        default = pkgs.v2ray;
-        defaultText = literalExpression "pkgs.v2ray";
-        description = lib.mdDoc ''
-          Which v2ray package to use.
-        '';
-      };
+      package = mkPackageOption pkgs "v2ray" { };
 
       configFile = mkOption {
         type = types.nullOr types.str;
diff --git a/nixpkgs/nixos/modules/services/networking/vdirsyncer.nix b/nixpkgs/nixos/modules/services/networking/vdirsyncer.nix
index f9b880c763e3..6a069943434d 100644
--- a/nixpkgs/nixos/modules/services/networking/vdirsyncer.nix
+++ b/nixpkgs/nixos/modules/services/networking/vdirsyncer.nix
@@ -71,7 +71,7 @@ in
     services.vdirsyncer = {
       enable = mkEnableOption (mdDoc "vdirsyncer");
 
-      package = mkPackageOptionMD pkgs "vdirsyncer" {};
+      package = mkPackageOption pkgs "vdirsyncer" {};
 
       jobs = mkOption {
         description = mdDoc "vdirsyncer job configurations";
diff --git a/nixpkgs/nixos/modules/services/networking/webhook.nix b/nixpkgs/nixos/modules/services/networking/webhook.nix
index 2a78491941cf..b020db6961c3 100644
--- a/nixpkgs/nixos/modules/services/networking/webhook.nix
+++ b/nixpkgs/nixos/modules/services/networking/webhook.nix
@@ -36,7 +36,7 @@ in {
         which execute configured commands for any person or service that knows the URL
       '');
 
-      package = mkPackageOptionMD pkgs "webhook" {};
+      package = mkPackageOption pkgs "webhook" {};
       user = mkOption {
         type = types.str;
         default = defaultUser;
diff --git a/nixpkgs/nixos/modules/services/networking/wstunnel.nix b/nixpkgs/nixos/modules/services/networking/wstunnel.nix
index 3c3ecc3e04d7..2762c85651f4 100644
--- a/nixpkgs/nixos/modules/services/networking/wstunnel.nix
+++ b/nixpkgs/nixos/modules/services/networking/wstunnel.nix
@@ -48,7 +48,7 @@ let
       default = true;
     };
 
-    package = mkPackageOptionMD pkgs "wstunnel" {};
+    package = mkPackageOption pkgs "wstunnel" {};
 
     autoStart = mkOption {
       description = mdDoc "Whether this tunnel server should be started automatically.";
diff --git a/nixpkgs/nixos/modules/services/networking/x2goserver.nix b/nixpkgs/nixos/modules/services/networking/x2goserver.nix
index 1242229a0b60..f1eba9fafc1c 100644
--- a/nixpkgs/nixos/modules/services/networking/x2goserver.nix
+++ b/nixpkgs/nixos/modules/services/networking/x2goserver.nix
@@ -160,5 +160,8 @@ in {
     security.sudo.extraConfig = ''
       Defaults  env_keep+=QT_GRAPHICSSYSTEM
     '';
+    security.sudo-rs.extraConfig = ''
+      Defaults  env_keep+=QT_GRAPHICSSYSTEM
+    '';
   };
 }
diff --git a/nixpkgs/nixos/modules/services/networking/xandikos.nix b/nixpkgs/nixos/modules/services/networking/xandikos.nix
index 6d1ddc74c719..147f07ac546d 100644
--- a/nixpkgs/nixos/modules/services/networking/xandikos.nix
+++ b/nixpkgs/nixos/modules/services/networking/xandikos.nix
@@ -11,12 +11,7 @@ in
     services.xandikos = {
       enable = mkEnableOption (lib.mdDoc "Xandikos CalDAV and CardDAV server");
 
-      package = mkOption {
-        type = types.package;
-        default = pkgs.xandikos;
-        defaultText = literalExpression "pkgs.xandikos";
-        description = lib.mdDoc "The Xandikos package to use.";
-      };
+      package = mkPackageOption pkgs "xandikos" { };
 
       address = mkOption {
         type = types.str;
diff --git a/nixpkgs/nixos/modules/services/networking/xray.nix b/nixpkgs/nixos/modules/services/networking/xray.nix
index 83655a2f88ef..56c7887b3308 100644
--- a/nixpkgs/nixos/modules/services/networking/xray.nix
+++ b/nixpkgs/nixos/modules/services/networking/xray.nix
@@ -16,14 +16,7 @@ with lib;
         '';
       };
 
-      package = mkOption {
-        type = types.package;
-        default = pkgs.xray;
-        defaultText = literalExpression "pkgs.xray";
-        description = lib.mdDoc ''
-          Which xray package to use.
-        '';
-      };
+      package = mkPackageOption pkgs "xray" { };
 
       settingsFile = mkOption {
         type = types.nullOr types.path;
diff --git a/nixpkgs/nixos/modules/services/networking/xrdp.nix b/nixpkgs/nixos/modules/services/networking/xrdp.nix
index 218b440aab3c..3b674840b936 100644
--- a/nixpkgs/nixos/modules/services/networking/xrdp.nix
+++ b/nixpkgs/nixos/modules/services/networking/xrdp.nix
@@ -44,14 +44,7 @@ in
 
       enable = mkEnableOption (lib.mdDoc "xrdp, the Remote Desktop Protocol server");
 
-      package = mkOption {
-        type = types.package;
-        default = pkgs.xrdp;
-        defaultText = literalExpression "pkgs.xrdp";
-        description = lib.mdDoc ''
-          The package to use for the xrdp daemon's binary.
-        '';
-      };
+      package = mkPackageOption pkgs "xrdp" { };
 
       port = mkOption {
         type = types.port;
diff --git a/nixpkgs/nixos/modules/services/networking/yggdrasil.nix b/nixpkgs/nixos/modules/services/networking/yggdrasil.nix
index 56d81fb04013..514753687d69 100644
--- a/nixpkgs/nixos/modules/services/networking/yggdrasil.nix
+++ b/nixpkgs/nixos/modules/services/networking/yggdrasil.nix
@@ -108,12 +108,7 @@ in
         '';
       };
 
-      package = mkOption {
-        type = package;
-        default = pkgs.yggdrasil;
-        defaultText = literalExpression "pkgs.yggdrasil";
-        description = lib.mdDoc "Yggdrasil package to use.";
-      };
+      package = mkPackageOption pkgs "yggdrasil" { };
 
       persistentKeys = mkEnableOption (lib.mdDoc ''
         persistent keys. If enabled then keys will be generated once and Yggdrasil
diff --git a/nixpkgs/nixos/modules/services/networking/zeronet.nix b/nixpkgs/nixos/modules/services/networking/zeronet.nix
index 1f3711bd0d72..7e88a8b346d9 100644
--- a/nixpkgs/nixos/modules/services/networking/zeronet.nix
+++ b/nixpkgs/nixos/modules/services/networking/zeronet.nix
@@ -1,7 +1,8 @@
 { config, lib, pkgs, ... }:
 
 let
-  inherit (lib) generators literalExpression mkEnableOption mkIf mkOption recursiveUpdate types;
+  inherit (lib) generators literalExpression mkEnableOption mkPackageOption
+                mkIf mkOption recursiveUpdate types;
   cfg = config.services.zeronet;
   dataDir = "/var/lib/zeronet";
   configFile = pkgs.writeText "zeronet.conf" (generators.toINI {} (recursiveUpdate defaultSettings cfg.settings));
@@ -19,12 +20,7 @@ in with lib; {
   options.services.zeronet = {
     enable = mkEnableOption (lib.mdDoc "zeronet");
 
-    package = mkOption {
-      type = types.package;
-      default = pkgs.zeronet;
-      defaultText = literalExpression "pkgs.zeronet";
-      description = lib.mdDoc "ZeroNet package to use";
-    };
+    package = mkPackageOption pkgs "zeronet" { };
 
     settings = mkOption {
       type = with types; attrsOf (oneOf [ str int bool (listOf str) ]);
diff --git a/nixpkgs/nixos/modules/services/networking/zerotierone.nix b/nixpkgs/nixos/modules/services/networking/zerotierone.nix
index f78fd8642ba0..994e01d4980e 100644
--- a/nixpkgs/nixos/modules/services/networking/zerotierone.nix
+++ b/nixpkgs/nixos/modules/services/networking/zerotierone.nix
@@ -27,14 +27,7 @@ in
     '';
   };
 
-  options.services.zerotierone.package = mkOption {
-    default = pkgs.zerotierone;
-    defaultText = literalExpression "pkgs.zerotierone";
-    type = types.package;
-    description = lib.mdDoc ''
-      ZeroTier One package to use.
-    '';
-  };
+  options.services.zerotierone.package = mkPackageOption pkgs "zerotierone" { };
 
   config = mkIf cfg.enable {
     systemd.services.zerotierone = {