1 files changed, 29 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/tools/security/sshguard/default.nix b/nixpkgs/pkgs/tools/security/sshguard/default.nix
new file mode 100644
index 000000000000..18e93023d779
--- /dev/null
+++ b/nixpkgs/pkgs/tools/security/sshguard/default.nix
@@ -0,0 +1,29 @@
+{ lib, stdenv, fetchurl, autoreconfHook, bison, flex}:
+
+stdenv.mkDerivation rec {
+  version = "2.4.3";
+  pname = "sshguard";
+
+  src = fetchurl {
+    url = "mirror://sourceforge/sshguard/${pname}-${version}.tar.gz";
+    sha256 = "sha256-ZAKd7/bekP3u+x9JfUFPDkBFB2aTqR2hpw63WV6X7+s=";
+  };
+
+  doCheck = true;
+
+  nativeBuildInputs = [ autoreconfHook bison flex ];
+
+  configureFlags = [ "--sysconfdir=/etc" ];
+
+  meta = with lib; {
+    description = "Protects hosts from brute-force attacks";
+    longDescription = ''
+      SSHGuard can read log messages from various input sources. Log messages are parsed, line-by-line, for recognized patterns.
+      If an attack, such as several login failures within a few seconds, is detected, the offending IP is blocked.
+    '';
+    homepage = "https://sshguard.net";
+    license = licenses.bsd3;
+    maintainers = with maintainers; [ sargon ];
+    platforms = with platforms; linux ++ darwin ++ freebsd ++ netbsd ++ openbsd;
+  };
+}