Update references and folder names

2024-09-23 11:41:28 -04:00 · 2024-09-23 11:41:28 -04:00 · d402b1c806
commit d402b1c806
parent 4cafc51f01
82 changed files with 88 additions and 88 deletions
--- a/system/server/firewall.nix
+++ b/system/server/firewall.nix
@ -0,0 +1,57 @@
+{outputs, ...}: {
+  # Allow forwarding
+  boot.kernel.sysctl."net.ipv4.ip_forward" = 1;
+
+  # Configure firewall
+  networking = let
+    ips = import ../modules/ips.nix;
+    mailPorts = "{ 25, 143, 465, 587, 993, 4190 }";
+  in {
+    firewall = {
+      allowPing = false;
+  
+      # Add extra input rules using nftables
+      extraInputRules = ''
+        ip saddr ${ips.localSpan}.0/24 tcp dport 2049 accept comment "Accept NFS"
+        ip saddr { ${ips.pc}, ${outputs.secrets.lunaIP}, ${outputs.secrets.cornIP}, ${outputs.secrets.vertIP} } tcp dport { 1935, 1945 } accept comment "Accept RTMP"
+        ip saddr ${ips.wgSpan}.3 tcp dport ${mailPorts} accept comment "Accept mail"
+      '';
+    };
+  
+    # Enable nftables and forwarding
+    nftables = {
+      enable = true;
+      tables = {
+        forwarding = {
+          family = "ip";
+          content = ''
+            chain PREROUTING {
+              type nat hook prerouting priority dstnat; policy accept;
+              tcp dport 2211 dnat to ${ips.pc}:22 comment "SSH to PC"
+              tcp dport 2233 dnat to ${ips.wgSpan}.3:22 comment "SSH to Oracle VM"
+              
+              udp dport { 27005, 27015, 7777 } dnat to ${ips.pc} comment "PC Hosted Games"
+              
+              tcp dport { 58010, 57989, 57984 } dnat to ${ips.pc} comment "PC Sunshine TCP"
+              udp dport { 57998, 57999, 58000 } dnat to ${ips.pc} comment "PC Sunshine UDP"
+              
+              tcp dport { 38010, 37989, 37984 } dnat to ${ips.vm} comment "VM Sunshine TCP"
+              udp dport { 37998, 37999, 38000 } dnat to ${ips.vm} comment "VM Sunshine UDP"
+              
+              udp dport { 7790, 7791, 7792 } dnat to ${ips.hx} comment "Deus Ex"
+              
+              ip saddr ${outputs.secrets.cornIP} tcp dport { 9943, 9944 } dnat to ${ips.vm} comment "VM ALVR TCP"
+              ip saddr ${outputs.secrets.cornIP} udp dport { 9943, 9944 } dnat to ${ips.vm} comment "VM ALVR UDP"
+            }
+            chain POSTROUTING {
+              type nat hook postrouting priority 100; policy accept;
+              oifname "${ips.netInt}" masquerade
+	      iifname "${ips.netInt}" oifname "${ips.wgInt}" masquerade comment "Traffic from public to WireGuard"
+	      tcp dport ${mailPorts} oifname != "${ips.wgInt}" drop comment "Send mail"
+            }
+          '';
+        };
+      };
+    };
+  };
+}