Added cross-references to NixOS manual

1 files changed, 7 insertions, 7 deletions

diff --git a/nixos/doc/manual/configuration/firewall.xml b/nixos/doc/manual/configuration/firewall.xml
index 75cccef95b38..ecc21a3bdf51 100644
--- a/nixos/doc/manual/configuration/firewall.xml
+++ b/nixos/doc/manual/configuration/firewall.xml
@@ -12,37 +12,37 @@ both IPv4 and IPv6 traffic. It is enabled by default. It can be
 disabled as follows:
 
 <programlisting>
-networking.firewall.enable = false;
+<xref linkend="opt-networking.firewall.enable"/> = false;
 </programlisting>
 
 If the firewall is enabled, you can open specific TCP ports to the
 outside world:
 
 <programlisting>
-networking.firewall.allowedTCPPorts = [ 80 443 ];
+<xref linkend="opt-networking.firewall.allowedTCPPorts"/> = [ 80 443 ];
 </programlisting>
 
 Note that TCP port 22 (ssh) is opened automatically if the SSH daemon
-is enabled (<option>services.openssh.enable = true</option>). UDP
+is enabled (<option><xref linkend="opt-services.openssh.enable"/> = true</option>). UDP
 ports can be opened through
-<option>networking.firewall.allowedUDPPorts</option>.</para>
+<xref linkend="opt-networking.firewall.allowedUDPPorts"/>.</para>
 
 <para>To open ranges of TCP ports:
 
 <programlisting>
-networking.firewall.allowedTCPPortRanges = [
+<xref linkend="opt-networking.firewall.allowedTCPPortRanges"/> = [
   { from = 4000; to = 4007; }
   { from = 8000; to = 8010; }
 ];
 </programlisting>
 
 Similarly, UDP port ranges can be opened through
-<option>networking.firewall.allowedUDPPortRanges</option>.</para>
+<xref linkend="opt-networking.firewall.allowedUDPPortRanges"/>.</para>
 
 <para>Also of interest is
 
 <programlisting>
-networking.firewall.allowPing = true;
+<xref linkend="opt-networking.firewall.allowPing"/> = true;
 </programlisting>
 
 to allow the machine to respond to ping requests.  (ICMPv6 pings are