changes

nix/configuration.nix

@@ -140,6 +140,13 @@
     wget
   ];
 
+  programs.steam = {
+    enable = true;
+    remotePlay.openFirewall = true; # Open ports in the firewall for Steam Remote Play
+    dedicatedServer.openFirewall = true; # Open ports in the firewall for Source Dedicated Server
+    localNetworkGameTransfers.openFirewall = true; # Open ports in the firewall for Steam Local Network Game Transfers
+  };
+
   # Some programs need SUID wrappers, can be configured further or are
   # started in user sessions.
   # programs.mtr.enable = true;