Try caddy

configuration.nix

@@ -9,7 +9,7 @@
     ./modules/users.nix
     ./modules/hardware.nix
     ./modules/services.nix
-    ./modules/nginx.nix
+    ./modules/proxy.nix
     ./modules/matrix.nix
     ./modules/fail2ban.nix
   ];

modules/networking.nix

@@ -7,14 +7,4 @@ in
   networking.hostName = settings.hostname;
 
   networking.networkmanager.enable = true;
-
-  networking.firewall = {
-    enable = true;
-    allowedTCPPorts = [
-      22
-      80
-      443
-    ];
-    allowedUDPPorts = [ ];
-  };
 }

modules/proxy.nix

@@ -0,0 +1,177 @@
+{
+  config,
+  lib,
+  ...
+}:
+
+let
+  atriDotDad = "atri.dad";
+  atashDotDev = "atash.dev";
+
+  matrixDomain = "matrix.${atriDotDad}";
+  matrixRtcDomain = "matrixrtc.${atriDotDad}";
+
+  upstream = "lloyd.tadpole-pain.ts.net";
+  streamPorts = [
+    69
+    420
+    25565
+    25566
+    25567
+  ];
+
+  wellKnownServer = builtins.toJSON {
+    "m.server" = "${matrixDomain}:443";
+  };
+
+  wellKnownClient = builtins.toJSON {
+    "m.homeserver" = {
+      base_url = "https://${matrixDomain}";
+    };
+    "org.matrix.msc4143.rtc_foci" = [
+      {
+        type = "livekit";
+        livekit_service_url = "https://${matrixDomain}/livekit/jwt";
+      }
+    ];
+  };
+
+  mkProxy = port: ''
+    reverse_proxy http://${upstream}:${toString port}
+  '';
+
+  aiBotsMatcher = ''
+    @fuckai {
+      header_regexp User-Agent "(?i)(GPTBot|ChatGPT-User|OAI-SearchBot|ChatGPT-Browser|ClaudeBot|Claude-Web|Claude-SearchBot|anthropic-ai|Anthropic-Claude|xAI-Bot|DeepseekBot|Google-Extended|Gemini-Ai|Gemini-Deep-Research|Google-CloudVertexBot|Google-NotebookLM|GoogleAgent-Mariner|Bard-Ai|FacebookBot|Meta-ExternalAgent|meta-webindexer|Applebot-Extended|bingbot|CCBot|PerplexityBot|Perplexity-User|Bytespider|Diffbot|Amazonbot|cohere-ai|Cohere-Command|YouBot|Omgilibot|ImagesiftBot|AI2Bot|Andibot|bigsur.ai|Brightbot|TerraCotta|Character-AI|Devin|Crawlspace|DuckAssistBot|FirecrawlAgent|Groq-Bot|HuggingFace-Bot|IbouBot|MistralAI-User|Replicate-Bot|RunPod-Bot|TimpiBot|Together-Bot|Kangaroo Bot|PanguBot|Cotoyogi|Webzio-Extended)"
+    }
+    abort @fuckai
+  '';
+
+  mkIptablesRule =
+    port: proto: action:
+    let
+      op = if action == "add" then "-A" else "-D";
+      ignoreErr = if action == "remove" then "|| true" else "";
+    in
+    ''
+      iptables -t nat ${op} PREROUTING -p ${proto} --dport ${toString port} -j DNAT --to-destination ${upstream}:${toString port} ${ignoreErr}
+      iptables -t nat ${op} POSTROUTING -p ${proto} -d ${upstream} --dport ${toString port} -j MASQUERADE ${ignoreErr}
+    '';
+
+in
+{
+  services.caddy = {
+    enable = true;
+    email = "me@${atriDotDad}";
+
+    extraConfig = ''
+      ${atriDotDad} {
+        ${aiBotsMatcher}
+
+        handle /.well-known/matrix/server {
+          header Content-Type application/json
+          header X-Content-Type-Options nosniff
+          respond `${wellKnownServer}` 200
+        }
+
+        handle /.well-known/matrix/client {
+          header Content-Type application/json
+          header Access-Control-Allow-Origin "*"
+          header Vary Origin
+          header X-Content-Type-Options nosniff
+          respond `${wellKnownClient}` 200
+        }
+
+        handle {
+          reverse_proxy http://${upstream}:3000
+        }
+      }
+
+      analytics.${atriDotDad} { ${aiBotsMatcher} ${mkProxy 30060} }
+      archive.${atriDotDad} { ${aiBotsMatcher} ${mkProxy 30288} }
+      ascently.${atriDotDad} { ${aiBotsMatcher} ${mkProxy 8838} }
+      chef.${atriDotDad} { ${aiBotsMatcher} ${mkProxy 30111} }
+      democlimb.${atriDotDad} { ${aiBotsMatcher} ${mkProxy 8008} }
+      fedi.${atriDotDad} { ${aiBotsMatcher} ${mkProxy 8181} }
+      gist.${atriDotDad} { ${aiBotsMatcher} ${mkProxy 1227} }
+      git.${atriDotDad} { ${aiBotsMatcher} ${mkProxy 30010} }
+      links.${atriDotDad} { ${aiBotsMatcher} ${mkProxy 30243} }
+      memos.${atriDotDad} { ${aiBotsMatcher} ${mkProxy 30311} }
+      mermaid.${atriDotDad} { ${aiBotsMatcher} ${mkProxy 8280} }
+      msrc.${atriDotDad} { ${aiBotsMatcher} ${mkProxy 3311} }
+      openclimb.${atriDotDad} { ${aiBotsMatcher} ${mkProxy 1337} }
+      photos.${atriDotDad} { ${aiBotsMatcher} ${mkProxy 30041} }
+      pods.${atriDotDad} { ${aiBotsMatcher} ${mkProxy 30067} }
+      requests.${atriDotDad} { ${aiBotsMatcher} ${mkProxy 30042} }
+      s3.${atriDotDad} { ${aiBotsMatcher} ${mkProxy 30188} }
+      search.${atriDotDad} { ${aiBotsMatcher} ${mkProxy 30053} }
+      vault.${atriDotDad} { ${aiBotsMatcher} ${mkProxy 30032} }
+      vids.${atriDotDad} { ${aiBotsMatcher} ${mkProxy 31008} }
+      music.${atriDotDad} { ${aiBotsMatcher} ${mkProxy 30043} }
+      books.${atriDotDad} { ${aiBotsMatcher} ${mkProxy 31067} }
+
+      tv.${atriDotDad} {
+        ${aiBotsMatcher}
+        request_body {
+          max_size 20GB
+        }
+        reverse_proxy http://${upstream}:30013 {
+          flush_interval -1
+        }
+      }
+
+      ${matrixDomain} {
+        request_body {
+          max_size 100MB
+        }
+
+        handle_path /livekit/jwt/* {
+          @allowed path /sfu/get /get_token /healthz
+          handle @allowed {
+            reverse_proxy http://[::1]:${toString config.services.lk-jwt-service.port}
+          }
+          handle {
+            respond 404
+          }
+        }
+
+        handle {
+          reverse_proxy http://[::1]:6167
+        }
+      }
+
+      ${matrixRtcDomain} {
+        reverse_proxy http://[::1]:${toString config.services.livekit.settings.port} {
+          flush_interval -1
+        }
+      }
+
+      ripkyle.org { ${aiBotsMatcher} ${mkProxy 4321} }
+      ${atashDotDev} { ${aiBotsMatcher} ${mkProxy 6969} }
+      chronus.${atashDotDev} { ${aiBotsMatcher} ${mkProxy 7337} }
+    '';
+  };
+
+  boot.kernel.sysctl = {
+    "net.ipv4.ip_forward" = 1;
+  };
+
+  networking.firewall = {
+    allowedTCPPorts = [
+      80
+      443
+    ]
+    ++ streamPorts;
+    allowedUDPPorts = streamPorts;
+
+    extraCommands = lib.concatStringsSep "\n" (
+      (map (port: mkIptablesRule port "tcp" "add") streamPorts)
+      ++ (map (port: mkIptablesRule port "udp" "add") streamPorts)
+    );
+
+    extraStopCommands = lib.concatStringsSep "\n" (
+      (map (port: mkIptablesRule port "tcp" "remove") streamPorts)
+      ++ (map (port: mkIptablesRule port "udp" "remove") streamPorts)
+    );
+  };
+}