🔧 socrates: port forward for minecraft

2022-10-10 21:54:45 -04:00
parent d4df0f75b5
commit 84244a77d9
4 changed files with 34 additions and 18 deletions
--- a/modules/minecraft/proxy.nix
+++ b/modules/minecraft/proxy.nix
@@ -0,0 +1,14 @@
+{ config, lib, pkgs, ... }:
+let
+  dest_ip = "100.111.208.75";
+in
+{
+  boot.kernel.sysctl."net.ipv4.ip_forward" = 1;
+  networking.firewall.allowedTCPPorts = [ 25565 ];
+
+  networking.firewall.extraCommands = ''
+    IPTABLES=${pkgs.iptables}/bin/iptables
+    "$IPTABLES" -t nat -A PREROUTING -p tcp --dport 25565 -j DNAT --to-destination ${dest_ip}:25565
+    "$IPTABLES" -t nat -A POSTROUTING -j MASQUERADE
+  '';
+}