diff --git a/hosts/server/configuration.nix b/hosts/server/configuration.nix
index cc53e01..0bef175 100644
--- a/hosts/server/configuration.nix
+++ b/hosts/server/configuration.nix
@@ -121,7 +121,7 @@ services.prometheus.exporters.node = {
 
   services.openssh.settings.PermitRootLogin = "yes";
   # Open ports in the firewall.
-  networking.firewall.allowedTCPPorts = [ 2049 ];
+  networking.firewall.allowedTCPPorts = [ 2049 111 ];
 #  networking.firewall.allowedUDPPorts = [ 111 2049 20048 ];
   # Or disable the firewall altogether.
   # networking.firewall.enable = false;