forgejo: add fail2ban jail

hosts/sakura/services/forgejo.nix

@@ -1,14 +1,20 @@
-{lib, ...}: {
+{
+  lib,
+  config,
+  ...
+}: {
+  sops.secrets.smtp2go-pwd = {owner = "forgejo";};
   networking.firewall.allowedTCPPorts = [2222];
   services.forgejo = {
     enable = true;
     stateDir = "/var/lib/forgejo";
     settings = {
-      service.DISABLE_REGISTRATION = true;
+      service.DISABLE_REGISTRATION = false;
       DEFAULT.APP_NAME = "forgejo";
       log.LEVEL = "Debug";
       ui = {
         DEFAULT_THEME = "forgejo-dark";
+        SHOW_USER_EMAIL = true;
       };
       actions = {
         ENABLED = true;
@@ -25,6 +31,9 @@
         SSH_LISTEN_PORT = 2222;
         SSH_LISTEN_HOST = "100.121.201.47";
       };
+      session = {
+        COOKIE_SECURE = true;
+      };
       database = {
         DB_TYPE = lib.mkForce "postgres";
         HOST = "192.168.1.211:5432";
@@ -42,6 +51,32 @@
         ENABLED_ISSUE_BY_REPOSITORY = true;
         ENABLED_ISSUE_BY_LABEL = true;
       };
+      mailer = {
+        ENABLED = true;
+        FROM = "forgejo@flake.sh";
+        PROTOCOL = "smtp+starttls";
+        SMTP_ADDR = "mail.smtp2go.com";
+        SMTP_PORT = 587;
+        USER = "forgejo-mailer";
       };
     };
+    mailerPasswordFile = config.sops.secrets.smtp2go-pwd.path;
+  };
+  services.fail2ban.jails.forgejo = {
+    settings = {
+      filter = "forgejo";
+      action = ''iptables-allports'';
+      mode = "aggressive";
+      maxretry = 3;
+      findtime = 3600;
+      bantime = 900;
+    };
+  };
+  environment.etc = {
+    "fail2ban/filter.d/forgejo.conf".text = ''
+      [Definition]
+      failregex = ^.*(Failed authentication attempt|invalid credentials|Attempted access of unknown user).* from <HOST>$
+      journalmatch = _SYSTEMD_UNIT=forgejo.service
+    '';
+  };
 }

hosts/sora/services/traefik.nix

@@ -135,12 +135,15 @@
           };
         };
         services = {
+          forgejo.loadBalancer = {
+            passHostHeader = true;
+            servers = [{url = "http://100.121.201.47:3200";}];
+          };
           uptime-kuma.loadBalancer.servers = [{url = "http://100.104.42.96:4000";}];
           gotify.loadBalancer.servers = [{url = "http://100.104.42.96:3000";}];
           conduit.loadBalancer.servers = [{url = "http://100.121.201.47:6167";}];
           authelia.loadBalancer.servers = [{url = "http://100.121.201.47:9091";}];
           foundryvtt.loadBalancer.servers = [{url = "http://100.121.201.47:30000";}];
-          forgejo.loadBalancer.servers = [{url = "http://100.121.201.47:3200";}];
           rustypaste.loadBalancer.servers = [{url = "http://100.121.201.47:8000";}];
           grafana.loadBalancer.servers = [{url = "http://100.121.201.47:3100";}];
           hedgedoc.loadBalancer.servers = [{url = "http://100.121.201.47:3300";}];

modules/security.nix

@@ -40,13 +40,16 @@
     "net.ipv4.tcp_congestion_control" = "bbr";
     "net.core.default_qdisc" = "cake";
   };
+
   boot.kernelModules = ["tcp_bbr"];
 
-  # So we don't have to do this later...
+  services.openssh.settings.LogLevel = "VERBOSE";
+
   security.acme = {
     acceptTerms = true;
     defaults.email = "github@notohh.dev";
   };
+
   services.fail2ban = {
     enable = true;
     bantime = "1h";
@@ -55,15 +58,17 @@
       "192.168.0.0/16"
       "172.16.0.0/12"
       "10.0.0.0/8"
-      "5.161.181.184/32"
+      "5.161.102.107/32"
       "100.71.49.65/10"
       "100.82.146.40/10"
     ];
-    jails.DEFAULT = {
+    jails = {
+      DEFAULT = {
         settings = {
           findtime = 100000;
           mode = "aggressive";
         };
       };
     };
+  };
 }

secrets/secrets.yaml

@@ -12,6 +12,7 @@ snowflake-runner-token: ENC[AES256_GCM,data:CYtnZeCCd3IbNq95xCAoftYRxYf5QdZk1cw2
 basegbot-runner-token: ENC[AES256_GCM,data:US3VkT2+S9sKPJ7zPNNBudV/884/cNfmEZVdmWHnL4WWdvUej5aIbQ==,iv:mEjU7DF4NCX7WwLP4+CxlV3aKZOkL7t6wyM4Mz7sPrg=,tag:JrMiiQ2TT3OET4iyO6pUog==,type:str]
 searxng-secret: ENC[AES256_GCM,data:SSvspQVRp79zJq0hzaqzuJIWFtVUoaqHGH9PXUViiXb9UKJM34t82o2J5K69RcOSBL7HadqmxcT4Eh8e8ZUJnquD7rrPdWb2Ih4zS7MmG94=,iv:wrQNNU7CjzfePNe1tWEXmN30vC0jTp+PtgfI3/XH22g=,tag:QAt/QL846hLLIMLQZUM3mQ==,type:str]
 neko-admin: ENC[AES256_GCM,data:E5goYrVyM2uQ1WLLHdcOzqX8gGO5EXJRqCRtaqAjrbUAeFRDU8A=,iv:Osh2SCeFYIvossZZ1NZH0xMrfhTcYAa6nssJhhmNNP0=,tag:m7shoTDw+Cya6Cg50yWaZg==,type:str]
+smtp2go-pwd: ENC[AES256_GCM,data:03OCDnG73T8B2Q3TJLt1kg==,iv:QFI34ZoM88AuGvOwVmxsplkNKWFgwqBn1AFdHNREses=,tag:9YABs0nAh7Cx2vybuIW9sA==,type:str]
 sops:
     kms: []
     gcp_kms: []
@@ -27,8 +28,8 @@ sops:
             YWNQcURKMSs2U0pOa3E0cTdCZ3RnalkKGayA7DBUQS+kn+6OYVBc6oTunF0qeZdt
             5b9DLHgh0HRWFm09XGSOog8K315d93Wzblw1My1/dXeEQX/ryinqUQ==
             -----END AGE ENCRYPTED FILE-----
-    lastmodified: "2023-12-10T15:17:04Z"
-    mac: ENC[AES256_GCM,data:jUsI4YvoAkEAtRVz4CUQV3pJ7W7CYwOADUVeN2C9AleqVwfTuRlhQB8lVU+hEBcPY1ntMRHUnJmO9RO2xYQjJSVvAfLODCbhtMY7/s61jQa7r2gi7btlYHCOm1Qh3S4EusfyS22J2p39lF82GAyl6KHeXOmAFnGhpg8+PfKBL3I=,iv:oasWdhlkWuuU/LNrIHdgGTH5JuWqcuLjbDu9ohyRPAQ=,tag:oG6LsuuDh5D+33tR1ymY+Q==,type:str]
+    lastmodified: "2023-12-30T16:22:09Z"
+    mac: ENC[AES256_GCM,data:LV5mRsqxzOTGcmoTZRjfAw5713AbDvWWngcnmAJtCTNjWbFsnIuNwd452i0SHkHsV0czR1BemmHzHYIp+ZCUZGBYDQcBJjCMsYUdLGzNGAZeImc38C3pXK2Vu0WSIdHmECch21HEw0L8OI07v7MToCy4OS2ITm0OAXGFo0el0xI=,iv:k5/mDqkRsnyOdFjb+EPm782DEx4HdXUt3mb3tkYGp18=,tag:Flckc72wh4qM0t+OEfjDqg==,type:str]
     pgp: []
     unencrypted_suffix: _unencrypted
     version: 3.8.1