wireguard network

connection proxy->v6proxy works
connection mail->v6proxy blocked

.pre-commit-config.yaml

@@ -1 +0,0 @@
-/nix/store/1w2s62i701n28sj08gn1445qr4v3vijp-pre-commit-config.json

.sops.yaml

@@ -1,38 +1,29 @@
-# SOPS configuration for StuRa HTW Dresden infrastructure
-#
-# This file defines which keys can decrypt which secrets.
-# Add GPG public keys (.asc files) or age keys to keys/hosts/ and keys/users/
-# to grant decryption access to hosts and users respectively.
-
 keys:
-  # Admin/user keys - add GPG public keys here
+  - &goeranh age1qp7w80k3qtj79xsl0gwsfrkm037xrlnhm6th7tcyrvufh3szzp6s2pe7ra
-  # Example:
+  - &mail age156ak7kc79tuwpv0hk9atl5dg27jqs6ddfqxvr9m4twqgsr23lgvsdmyfpr
-  # - &user_admin_key age1... or pgp fingerprint
+  - &auth age1njnkkr489hfmpn337zna2k3z66y9086t7cpcmz2vn68p4x43aujs6wh0g5
+  - &v6proxy age1gl8zmw86jkrkr7kaqugdyhvdhdrnfd72smndz2kfh4a6ec6s9yxsyrecu6
+  - &proxy age1g9fnxzalnqtse29xjdrvcsrnrknp8t2s7xrle73fce0jcg7r3czsj524p4
 
-  # Host keys - add host-specific keys here
-  # Example:
-  # - &host_proxy_key age1... or pgp fingerprint
-  # - &host_git_key age1... or pgp fingerprint
 
-# Define which keys can access which files
 creation_rules:
-  # Default rule: all secrets can be decrypted by admin keys
+  - path_regex: hosts/mail/secrets.sops.yml$
-  - path_regex: secrets/.*\.yaml$
+    key_groups:
-    # key_groups:
+    - age:
-    # - pgp:
+      - *mail
-    #   - *user_admin_key
+      - *goeranh
-    # - age:
+  - path_regex: hosts/auth/secrets.sops.yml$
-    #   - *user_admin_key
+    key_groups:
-
+    - age:
-  # Host-specific secrets (example)
+      - *auth
-  # - path_regex: secrets/proxy/.*\.yaml$
+      - *goeranh
-  #   key_groups:
+  - path_regex: hosts/v6proxy/secrets.sops.yml$
-  #   - pgp:
+    key_groups:
-  #     - *user_admin_key
+    - age:
-  #     - *host_proxy_key
+      - *v6proxy
-
+      - *goeranh
-  # - path_regex: secrets/git/.*\.yaml$
+  - path_regex: hosts/proxy/secrets.sops.yml$
-  #   key_groups:
+    key_groups:
-  #   - pgp:
+    - age:
-  #     - *user_admin_key
+      - *proxy
-  #     - *host_git_key
+      - *goeranh

flake.lock

@@ -114,22 +114,6 @@
       }
     },
     "flake-compat_2": {
-      "flake": false,
-      "locked": {
-        "lastModified": 1767039857,
-        "narHash": "sha256-vNpUSpF5Nuw8xvDLj2KCwwksIbjua2LZCqhV1LNRDns=",
-        "owner": "NixOS",
-        "repo": "flake-compat",
-        "rev": "5edf11c44bc78a0d334f6334cdaf7d60d732daab",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "repo": "flake-compat",
-        "type": "github"
-      }
-    },
-    "flake-compat_3": {
       "flake": false,
       "locked": {
         "lastModified": 1761588595,
@@ -185,34 +169,12 @@
       }
     },
     "git-hooks": {
-      "inputs": {
-        "flake-compat": "flake-compat_2",
-        "gitignore": "gitignore",
-        "nixpkgs": [
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1772893680,
-        "narHash": "sha256-JDqZMgxUTCq85ObSaFw0HhE+lvdOre1lx9iI6vYyOEs=",
-        "owner": "cachix",
-        "repo": "git-hooks.nix",
-        "rev": "8baab586afc9c9b57645a734c820e4ac0a604af9",
-        "type": "github"
-      },
-      "original": {
-        "owner": "cachix",
-        "repo": "git-hooks.nix",
-        "type": "github"
-      }
-    },
-    "git-hooks_2": {
       "inputs": {
         "flake-compat": [
           "mailserver",
           "flake-compat"
         ],
-        "gitignore": "gitignore_2",
+        "gitignore": "gitignore",
         "nixpkgs": [
           "mailserver",
           "nixpkgs"
@@ -233,27 +195,6 @@
       }
     },
     "gitignore": {
-      "inputs": {
-        "nixpkgs": [
-          "git-hooks",
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1709087332,
-        "narHash": "sha256-HG2cCnktfHsKV0s4XW83gU3F57gaTljL9KNSuG6bnQs=",
-        "owner": "hercules-ci",
-        "repo": "gitignore.nix",
-        "rev": "637db329424fd7e46cf4185293b9cc8c88c95394",
-        "type": "github"
-      },
-      "original": {
-        "owner": "hercules-ci",
-        "repo": "gitignore.nix",
-        "type": "github"
-      }
-    },
-    "gitignore_2": {
       "inputs": {
         "nixpkgs": [
           "mailserver",
@@ -278,8 +219,8 @@
     "mailserver": {
       "inputs": {
         "blobs": "blobs",
-        "flake-compat": "flake-compat_3",
+        "flake-compat": "flake-compat_2",
-        "git-hooks": "git-hooks_2",
+        "git-hooks": "git-hooks",
         "nixpkgs": "nixpkgs_2"
       },
       "locked": {
@@ -440,7 +381,6 @@
       "inputs": {
         "authentik": "authentik",
         "disko": "disko",
-        "git-hooks": "git-hooks",
         "mailserver": "mailserver",
         "nixpkgs": "nixpkgs_3",
         "sops": "sops"

flake.nix

@@ -18,10 +18,6 @@
       url = "github:nix-community/disko";
       inputs.nixpkgs.follows = "nixpkgs";
     };
-    git-hooks = {
-      url = "github:cachix/git-hooks.nix";
-      inputs.nixpkgs.follows = "nixpkgs";
-    };
   };
 
   outputs =
@@ -32,7 +28,6 @@
       mailserver,
       disko,
       sops,
-      git-hooks,
     }:
     let
       sshkeys = [
@@ -47,12 +42,6 @@
       devShells.x86_64-linux.default =
         let
           pkgs = nixpkgs.legacyPackages.x86_64-linux;
-          pre-commit-check = git-hooks.lib.x86_64-linux.run {
-            src = ./.;
-            hooks = {
-              nixfmt-rfc-style.enable = true;
-            };
-          };
         in
         pkgs.mkShell {
           # Import GPG keys from keys directory
@@ -64,15 +53,11 @@
           # Isolate sops GPG keys to .git/gnupg (optional)
           # sopsCreateGPGHome = true;
 
-          shellHook = ''
-            ${pre-commit-check.shellHook}
-          '';
-
           nativeBuildInputs = [
             sops.packages.x86_64-linux.sops-import-keys-hook
           ];
 
-          buildInputs = pre-commit-check.enabledPackages ++ [
+          buildInputs = [
             pkgs.sops
           ];
         };
@@ -211,6 +196,7 @@
                 disko.nixosModules.disko
                 authentik.nixosModules.default
                 mailserver.nixosModules.mailserver
+                sops.nixosModules.default
                 {
                   _module.args = { inherit self modulesPath; };
                 }

hosts/auth/authentik.nix

@@ -0,0 +1,84 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+{
+  users.groups.authentik = { };
+  users.users.authentik = {
+    isSystemUser = true;
+    extraGroups = [ "docker" ];
+    group = "authentik";
+  };
+
+  virtualisation.docker.enable = true;
+
+  systemd.services = {
+    authentik-secrets-setup = {
+      enable = true;
+    };
+  };
+  users.groups.authentik-ldap = {};
+  users.users.authentik-ldap = {
+    isSystemUser = true;
+    group = "authentik-ldap";
+  };
+  systemd.services.authentik-ldap.serviceConfig = {
+    DynamicUser = lib.mkForce false;
+    User = "authentik-ldap";
+  };
+  services.authentik-ldap = {
+    enable = true;
+    environmentFile = config.sops.secrets."auth/ldap-env-file".path;
+    # environmentFile = "/var/lib/authentik-ldap-env";
+  };
+  services.authentik = {
+    enable = true;
+    # environmentFile = "/var/lib/authentik_secret";
+    environmentFile = config.sops.secrets."auth/env-file".path;
+    settings = {
+      email = {
+        host = "mail.${config.networking.domain}";
+        port = 25;
+        username = "authentik@${config.networking.domain}";
+        use_tls = false;
+        use_ssl = false;
+        from = "authentik@${config.networking.domain}";
+      };
+      disable_startup_analytics = true;
+      avatars = "initials";
+    };
+  };
+
+  systemd.services.authentik-secrets-generator = {
+    enable = true;
+    requiredBy = [
+      "authentik-secrets-setup.service"
+      "authentik-worker.service"
+    ];
+    script = ''
+      echo "AUTHENTIK_SECRET_KEY=$(${pkgs.openssl}/bin/openssl rand -hex 32)" > /var/lib/authentik_secret
+    '';
+  };
+
+  services.nginx = {
+    enable = true;
+    virtualHosts = {
+      "auth.${config.networking.domain}" = {
+        enableACME = true;
+        forceSSL = true;
+        locations."/" = {
+          proxyPass = "http://localhost:9000";
+          proxyWebsockets = true;
+          recommendedProxySettings = true;
+          extraConfig = ''
+            proxy_set_header X-Forwarded-Proto $scheme;
+            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+          '';
+        };
+      };
+    };
+  };
+}
+

hosts/auth/default.nix

@@ -0,0 +1,45 @@
+{
+  config,
+  lib,
+  pkgs,
+  modulesPath,
+  ...
+}:
+{
+  sops = {
+    defaultSopsFile = ./secrets.sops.yml;
+    secrets = {
+      "auth/env-file".owner = "authentik";
+      "auth/ldap-env-file".owner = "authentik";
+    };
+  };
+  imports = [
+    "${modulesPath}/virtualisation/proxmox-lxc.nix"
+    ./authentik.nix
+  ];
+
+  networking = {
+    hostName = "auth";
+    domain = lib.mkForce "test.htw.stura-dresden.de";
+    useDHCP = false;
+    interfaces.eth0.ipv4.addresses = [
+      {
+        address = "141.56.51.96";
+        prefixLength = 24;
+      }
+    ];
+
+    defaultGateway = {
+      address = "141.56.51.254";
+      interface = "eth0";
+    };
+
+    firewall.allowedTCPPorts = [
+      80
+      443
+      3389
+    ];
+  };
+
+  system.stateVersion = "25.05";
+}

hosts/auth/secrets.sops.yml

@@ -0,0 +1,27 @@
+auth:
+    env-file: ENC[AES256_GCM,data:WDJ3daYCxybublm8VWO8W5HHmYYWKOcw81f+fQ0Vz78EOvbYI+SgEwnuAd/0/eeGkTPEJPSCfbymArs+YRTdibgO5y/34jdN0DOVQetZLPXrDbcZ/Sg=,iv:bykKdvkgmxwgptkGHKH4rnFknPA0PTrW+mEqIzIYERk=,tag:8UKhLz/VoPiXckcIEBfrLg==,type:str]
+    ldap-env-file: ENC[AES256_GCM,data:CpgiiUin3hj8+aykcSU2rasaCFt/CAC5lK3Ek7zxzw6hYCkhwxIc9a4Xfy9SxSQtASJ5dOOrOaa8gA1ahf4Z1g/1981fhxlQPeJd9PlJFgdL4CP5P6ZrPBKZKgygnreUo6HC7Rfc9x2CRmnDhQvMVUmQL9akZRNYasX+9IlRyKmLSFmi35IuryFhVLwfjfECmq51/Xo2WYzjWrayfFuOpS0jHWicQxXvXq6QcLvqmbk5euXiHDkFXOXcwMRr6mAompDAKa9BKXqcRDbxOWqzJ1gflEJvOJi249PeYFo+poTK1CUtBCTejFo=,iv:P1xN6wq5oeba1LSEn6UiArOka37alV/PhI5kOmpfDG0=,tag:Xisd5elHQ8mhvE6YEbCuLg==,type:str]
+sops:
+    age:
+        - recipient: age1njnkkr489hfmpn337zna2k3z66y9086t7cpcmz2vn68p4x43aujs6wh0g5
+          enc: |
+            -----BEGIN AGE ENCRYPTED FILE-----
+            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBHRmV2dGt1UXZ3M2RKd24y
+            V0x4MzZyYUh0aDVwQ1NmOCtyOHR6Z1c0R1ZNCi80Nk9PZFVTcVFIQjlZVXJNeXBN
+            TC9td05ZeWVVTCtFSWhqazN6bFF3akkKLS0tIEV3YzdRUDA5Q2dBd2JWUWNqOTU4
+            SnZtdVd4Q3lCaStJTnV4U2cvZUZEMlkK85XYSh6VbDFPKPIhKBKtkErGtgsHjXxy
+            kq14EXwfZnnBlR76JMQgPvSLrDLdj+4tDIVcuE4JplCoSvbGKckGww==
+            -----END AGE ENCRYPTED FILE-----
+        - recipient: age1qp7w80k3qtj79xsl0gwsfrkm037xrlnhm6th7tcyrvufh3szzp6s2pe7ra
+          enc: |
+            -----BEGIN AGE ENCRYPTED FILE-----
+            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBkQm5nUHkzZExKOXNzNjk4
+            Y1JURVJwNXhFUGZJak8vbEtCNnE2dHFuNVVNClJHQ3E2RGJkbUtlMDNwcy9Ib01Q
+            dG9nRTVJejkySTdlb2IrbHF4Z3ZMTmcKLS0tIHUwNndGdW9EaWwyNmRUb2NQU2Vs
+            MC9VSmVqVlVHRlJ4NXozUkQ4ZDVEVlkKbfVoBNsral3n7rG7ujUgdQXF68EVB+4G
+            MKMuOiY05QGBViLYyKh1jioHv6nds1hCuc2vpLNB3J0KT3I2q/a0VQ==
+            -----END AGE ENCRYPTED FILE-----
+    lastmodified: "2026-03-21T16:42:34Z"
+    mac: ENC[AES256_GCM,data:i9hTUqbrmc2mD8PAbCe2gWern4ArMIkTQWN7eaJcsjZ9m6LZjOQFpnrpgPg6fj3hazgnFn86veNvQGe/J50NLnwj2FCyF3jKG3xkc7rKa9fyD0Yz0XnpbNKtDb2YGxwyBmLsnnyl6sdpyvPipZYCfwM+bhB8OERIXVXKwbZOn1A=,iv:dKI/NsMcVBNBOw0kYEQqrgfdvLKDg4NM/yRBYDqXIxU=,tag:xkg0z7IUy2m4ivosB925vQ==,type:str]
+    unencrypted_suffix: _unencrypted
+    version: 3.12.1

hosts/mail/default.nix

@@ -0,0 +1,233 @@
+{
+  config,
+  lib,
+  pkgs,
+  modulesPath,
+  ...
+}:
+let
+  generatedAliases = pkgs.writeText "generated-aliases" (
+    lib.concatStringsSep "\n" (
+      lib.mapCartesianProduct
+        ({ aliases, domain }: "${aliases}@${domain}  root@test.htw.stura-dresden.de")
+        {
+          aliases = [
+            "abuse"
+            "hostmaster"
+            "noreply"
+            "postmaster"
+            "webmaster"
+          ];
+          domain = config.mailserver.domains;
+        }
+    )
+  );
+
+in
+{
+  sops = {
+    defaultSopsFile = ./secrets.sops.yml;
+    secrets = {
+      "ldap_passwd".owner = "dovecot2";
+      "wireguard-key".owner = "systemd-network";
+    };
+  };
+  imports = [
+    "${modulesPath}/virtualisation/proxmox-lxc.nix"
+  ];
+
+  security.pam.loginLimits = [
+    {
+      domain = "*";
+      type = "soft";
+      item = "nofile";
+      value = "8192";
+    }
+  ];
+
+  networking = {
+    hostName = "mail";
+    domain = lib.mkForce "test.htw.stura-dresden.de";
+    useDHCP = false;
+    interfaces.ens18.ipv4.addresses = [
+      {
+        address = "141.56.51.95";
+        prefixLength = 24;
+      }
+    ];
+
+    defaultGateway = {
+      address = "141.56.51.254";
+      interface = "eth0";
+    };
+    wireguard = {
+      enable = true;
+      interfaces = {
+        sturauplink = {
+          privateKeyFile = config.sops.secrets."wireguard-key".path;
+          ips = [
+            "10.100.0.20/24"
+            "fd28:6691:1921:6299::20/64"
+          ];
+          peers = [
+            # mail.test.htw.stura-dresden.de
+            {
+              endpoint = "hetzner.test.htw.stura-dresden.de:51820";
+              allowedIPs = [
+                "10.100.0.1/24"
+              ];
+              publicKey = "Tg/SNniezzF4DUnvUl1/JxQwS18POrUR20UmkQDt+X0=";
+            }
+          ];
+        };
+      };
+    };
+  };
+
+  services.nginx.virtualHosts = {
+    "lists.${config.networking.domain}" = {
+      enableACME = true;
+      forceSSL = true;
+      # locations."/" = {
+      #   proxyPass = "http://127.0.0.1:18507";
+      # };
+    };
+  };
+  services.automx2 = {
+    enable = true;
+    domain = "${config.networking.domain}";
+    settings = {
+      automx2 = {
+        db_uri = "sqlite:////var/lib/automx2/db.sqlite";
+        proxy_count = 1;
+      };
+    };
+  };
+  services.mailman = {
+    enable = true;
+    hyperkitty = {
+      enable = true;
+    };
+    serve.enable = true;
+    webHosts = [
+      "lists.${config.networking.domain}"
+    ];
+  };
+
+  services.mailman.siteOwner = "mailman@${config.networking.domain}";
+  mailserver = {
+    enable = true;
+    fqdn = "mail.${config.networking.domain}";
+    domains = [
+      "${config.networking.domain}"
+      "lists.${config.networking.domain}"
+    ];
+    ldap = {
+      enable = true;
+      bind = {
+        # dn = "cn=dovecot,ou=users,DC=test,DC=htw,DC=stura-dresden,DC=de";
+        dn = "cn=dovecot,ou=users,dc=mail,dc=htw,dc=stura-dresden,dc=de";
+        # passwordFile = "/var/lib/dovecot_ldap_passwd";
+        passwordFile = config.sops.secrets.ldap_passwd.path;
+      };
+      dovecot = {
+        userFilter = "(&(objectClass=posixAccount)(mail=%u))";
+        passFilter = "(&(objectClass=posixAccount)(mail=%u))";
+        userAttrs = "cn";
+      };
+      postfix = {
+        filter = "(|(&(objectClass=posixAccount)(mail=%s))(&(objectClass=posixAccount)(cn=%s)))";
+        mailAttribute = "mail";
+        uidAttribute = "cn";
+      };
+      #searchBase = "DC=test,DC=htw,DC=stura-dresden,DC=de";
+      searchBase = "dc=mail,dc=htw,dc=stura-dresden,dc=de";
+      uris = [
+        "ldap://auth.test.htw.stura-dresden.de:3389"
+      ];
+    };
+
+    certificateScheme = "acme-nginx";
+    enableImap = true;
+    enableImapSsl = true;
+    enableManageSieve = true;
+    enableSubmission = true;
+    enableSubmissionSsl = true;
+    extraVirtualAliases = { };
+    lmtpSaveToDetailMailbox = "no"; # DOS potential
+    mailboxes = {
+      Drafts = {
+        auto = "subscribe";
+        specialUse = "Drafts";
+      };
+      Sent = {
+        auto = "subscribe";
+        specialUse = "Sent";
+      };
+      Spam = {
+        auto = "subscribe";
+        specialUse = "Junk";
+      };
+      Trash = {
+        auto = "subscribe";
+        specialUse = "Trash";
+      };
+    };
+    maxConnectionsPerUser = 10;
+    messageSizeLimit = 10 * 1000 * 1024; # 10 MiB
+
+    stateVersion = 3;
+  };
+
+  # services.dovecot2.mailLocation = lib.mkForce "maildir:/var/vmail/%n";
+  services.postfix =
+    let
+      submissionOptions = {
+        # hash:/etc/postfix/virtual,
+        smtpd_sender_login_maps = lib.mkForce "ldap:/run/postfix/ldap-sender-login-map.cf";
+        smtpd_client_restrictions = "permit_sasl_authenticated,reject";
+      };
+    in
+    {
+      masterConfig = {
+        submission = {
+          args = [ "-v" ];
+        };
+        submissions = {
+          args = [ "-v" ];
+        };
+      };
+      settings.main = {
+        unknown_local_recipient_reject_code = 550;
+        relay_domains = [
+          "hash:/var/lib/mailman/data/postfix_domains"
+        ];
+        transport_maps = [
+          "hash:/var/lib/mailman/data/postfix_lmtp"
+        ];
+        local_recipient_maps = [
+          "hash:/var/lib/mailman/data/postfix_lmtp"
+        ];
+      };
+      # mapFiles = {
+      #   "valias" = lib.mkForce "/var/lib/postfix/valias";
+      #   "virtual" = lib.mkForce "/var/lib/postfix/virtual";
+      # };
+      submissionOptions = submissionOptions;
+      submissionsOptions = submissionOptions;
+    };
+
+  security.acme.acceptTerms = true;
+  security.acme.defaults.email = "cert@stura.htw-dresden.de";
+
+  networking.firewall.allowedTCPPorts = [
+    25
+    80
+    443
+    597
+  ];
+
+  system.stateVersion = "24.11";
+
+}
+

hosts/mail/secrets.sops.yml

@@ -0,0 +1,26 @@
+ldap_passwd: ENC[AES256_GCM,data:adUZCZcYfoxBQm3e4YeeXcQJSZjB3+v2zSNy7q0Ao39aDQMH5H0w4o9MXTREkPHW53JejC2ivo8Zl3yUhkeYRw==,iv:XB25CmtUGf+PeSsHtr+CA/HIfZq1IrOBPPQD3/r6Kc4=,tag:A/WGViM/Ix7n6mhjnbCtZg==,type:str]
+wireguard-key: ENC[AES256_GCM,data:5EWg5yF1CDKIusFwONVSzxSMM0cfOzyUYcWQ0f8xTHZ7bViAw8HbjJpRI4o=,iv:UNTv+994Q5VscsjgWS4ppkHX0gPy7vc/qmRCYKvR8CE=,tag:i8ydlyJSfIUj81j78EX5Fg==,type:str]
+sops:
+    age:
+        - recipient: age156ak7kc79tuwpv0hk9atl5dg27jqs6ddfqxvr9m4twqgsr23lgvsdmyfpr
+          enc: |
+            -----BEGIN AGE ENCRYPTED FILE-----
+            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBsenVrS0tkTWZRY2xDZklO
+            WTcwaENIY2I1bTFGMEZZVzBoeUNrT2RESmhFCnZXU2M1SjlGQWo0OEp0TzI0c21u
+            UkNuNEdQQldQdy9uSzhveEM2eFZrRUkKLS0tIGV4S3lreHJPVS96VUZ6SXRaSklW
+            MUE4eXN0bkNkU0dCckppdldvV2V4dHcKdKh6ekq6hB5pCUAEPdASqsxqAKZDwzCv
+            NyS2jitHo9XBtMQVJg4PmNcoRs5XLdqy2tP8upnGelj0B/Q9D+dhag==
+            -----END AGE ENCRYPTED FILE-----
+        - recipient: age1qp7w80k3qtj79xsl0gwsfrkm037xrlnhm6th7tcyrvufh3szzp6s2pe7ra
+          enc: |
+            -----BEGIN AGE ENCRYPTED FILE-----
+            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBRVlVrdXhGMDRxMjhPb3Nv
+            c3lBS25OKzJIaWhHWHpKQXo0N1dFTnZLaHdnClVFVTFPVE1rNFVEclFVc3VjQVhu
+            SjF6Nnp6dE9oRUJYUVVnOWVpVE11WVkKLS0tIEJ0aVJzejROMHFPK1JQbkJjbUdi
+            bGU3WWhVMGJ2LzI4N2E1Zy9RNnJ2V2MK4UQPwE5GUVTGvnuZ9knQ+BHmzmRLA1V5
+            SinlJfHcs+9B7haHzAekDdNqZgEUh2tblabHqq/vNWzd0rWpK31Dww==
+            -----END AGE ENCRYPTED FILE-----
+    lastmodified: "2026-03-21T18:05:57Z"
+    mac: ENC[AES256_GCM,data:NJM8uwSGIrjy4t+3AwNxp2e569ArH/cnRDipsHnTTQYV5NJLOTtwoFnTqVHBSREc2Sh38gXKye1ncwS3IG5CMsF1nsLOL/+Y9mUqQkLeWeld6Kal8c99yIr2oz8Hk4JTJt4j2C8/aNFhqu62VF7F6JNElWq2F3J5TPKPHRbE9yY=,iv:mj18t2s9hqNV4ore9T4R4jOgUGPuXGqwW91M9Uoh6aQ=,tag:v6T7LXjLQGoc9leFI5zY0g==,type:str]
+    unencrypted_suffix: _unencrypted
+    version: 3.12.1

hosts/proxy/default.nix

@@ -6,6 +6,12 @@
   ...
 }:
 {
+  sops = {
+    defaultSopsFile = ./secrets.sops.yml;
+    secrets = {
+      "wireguard-key".owner = "systemd-network";
+    };
+  };
   imports = [
     ./hardware-configuration.nix
     ./hetzner-disk.nix
@@ -13,6 +19,7 @@
 
   networking = {
     hostName = "proxy";
+    nameservers = [ "141.56.51.1" ];
     interfaces.ens18.ipv4.addresses = [
       {
         address = "141.56.51.1";
@@ -37,6 +44,30 @@
     nftables = {
       enable = true;
     };
+    wireguard = {
+      enable = true;
+      interfaces = {
+        sturauplink = {
+          privateKeyFile = config.sops.secrets."wireguard-key".path;
+          ips = [
+            "10.100.0.2/24"
+            "fd28:6691:1921:6299::2/64"
+          ];
+          listenPort = 51820;
+          peers = [
+            # mail.test.htw.stura-dresden.de
+            {
+              endpoint = "hetzner.test.htw.stura-dresden.de:51820";
+              allowedIPs = [
+                "10.100.0.0/24"
+              ];
+              persistentKeepalive = 30;
+              publicKey = "Tg/SNniezzF4DUnvUl1/JxQwS18POrUR20UmkQDt+X0=";
+            }
+          ];
+        };
+      };
+    };
   };
 
   # wenn instanzen in die flake migriert sind könnte man das autogenerierien
@@ -143,6 +174,18 @@
           httpPort = 80;
           httpsPort = 443;
         };
+        bbb = {
+          dest = "141.56.51.94";
+          domain = "bbb.htw.stura-dresden.de";
+          httpPort = 80;
+          httpsPort = 443;
+        };
+        bbb-test = {
+          dest = "141.56.51.94";
+          domain = "bbb.test.htw.stura-dresden.de";
+          httpPort = 80;
+          httpsPort = 443;
+        };
       }
       # zusätzlich zu den oben definierten wird hier noch ein redirect für jeden nginx virtualhost in diese flake generiert
       // (builtins.foldl'
@@ -243,6 +286,7 @@
               proxy   IN      AAAA    2a01:4f8:1c19:96f8::1
 
               ; Auto-generated CNAME records for all subdomains pointing to proxy
+              hetzner.test IN A 178.104.18.93
               ${lib.foldlAttrs (
                 prev: name: value:
                 let

hosts/proxy/secrets.sops.yml

@@ -0,0 +1,25 @@
+wireguard-key: ENC[AES256_GCM,data:tEKd+iwfyabTj/spqh08Um3FX4grLeffTxCvBivkXrNqIzOymBdcgQL4IJ4=,iv:Z2sr5yzxTKXgBgfcd3LWB9jT2fX3uRpX07r4yMplSNY=,tag:IWgiEjjbHbIUORhwKjTM6g==,type:str]
+sops:
+    age:
+        - recipient: age1g9fnxzalnqtse29xjdrvcsrnrknp8t2s7xrle73fce0jcg7r3czsj524p4
+          enc: |
+            -----BEGIN AGE ENCRYPTED FILE-----
+            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBXcUhhSlVQcHgvUEtDa0E2
+            UU1ON3NiUUlHTXFUOEdNeUdGVWNVTWRRNW0wCmhTVnJONlZSMmt2OVJiMys5bnM2
+            TDZPMExYaWlKSVFPVERnS1QvVTJlNXMKLS0tIElTYmxHNTFPSmNXYnkrY2RtRUVL
+            WHBCYWhtSWt1QW9hbEFwVmdqWUxjUmMKpqfV/bJVfyDI2Wa+jlwsXMx3tNV9G0S2
+            VhmmpDnEJn6UDWAMYxNv0g3rtfhBkb2HyCtANNVQ7QROua9WHzJjlg==
+            -----END AGE ENCRYPTED FILE-----
+        - recipient: age1qp7w80k3qtj79xsl0gwsfrkm037xrlnhm6th7tcyrvufh3szzp6s2pe7ra
+          enc: |
+            -----BEGIN AGE ENCRYPTED FILE-----
+            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBVVUVkdDljcForNEJ2WmNm
+            N0QvTWhQWXQ1VHh5b0pCZFQ3aGxXSGY2bXprCmpEV2l6bkxnUDByNVZaVVR6N2lE
+            OG1sYkJrQmFVWW1vWXRZL1A2S29MejQKLS0tIEFKbkRmdWM0QW9vVlJWZElXSUcw
+            b1pCMjNIN1padE5JNVpZNFYwMnZGd00KM415cr6nuN6zfhDcfXFN2lMDWogLwDSE
+            Kq/ykUSuN9IU6AhslgBNRCmJRVHIzCmu5dU5NVZeqN1YT/EyAbEcyw==
+            -----END AGE ENCRYPTED FILE-----
+    lastmodified: "2026-03-21T18:56:03Z"
+    mac: ENC[AES256_GCM,data:v1RkpxjvgLHS3OOA2aEG+uJ3yWpOvJLwFA5jRBRtMoMvrBD8O8sikzWJUczQnpw85F/ieFqK6RdT8SBA9lIuPXYMRRS8icHI2a8P+zwySsWsnzc9UaJjjvKtkYo9nnPNCM36HAFOKHiAzBm7FWMt1Tl+WQMyVCWLXCN7ao0MjIo=,iv:8xCrY7QOhW5Mc/AWWXFocqwTUD9qvH4dLYYtnsU6PHw=,tag:09Nw7qFfjefrv0jBwaFINA==,type:str]
+    unencrypted_suffix: _unencrypted
+    version: 3.12.1

hosts/v6proxy/default.nix

@@ -6,6 +6,12 @@
   ...
 }:
 {
+  sops = {
+    defaultSopsFile = ./secrets.sops.yml;
+    secrets = {
+      "wireguard-key".owner = "systemd-network";
+    };
+  };
   imports = [
     ./hardware-configuration.nix
     ./hetzner-disk.nix
@@ -48,6 +54,37 @@
     nftables = {
       enable = true;
     };
+    wireguard = {
+      enable = true;
+      interfaces = {
+        sturauplink = {
+          listenPort = 51820;
+          privateKeyFile = config.sops.secrets."wireguard-key".path;
+          ips = [
+            "10.100.0.1/24"
+            "fd28:6691:1921:6299::1/64"
+          ];
+          peers = [
+            # mail.test.htw.stura-dresden.de
+            {
+              allowedIPs = [
+                "10.100.0.20/32"
+              ];
+              publicKey = "9Ep/YZLbnGEVWHgVmmwq2Sv/8awwGaHdwiSuIUkWtnk=";
+            }
+            # proxy.htw.stura-dresden.de
+            {
+              allowedIPs = [
+                "10.100.0.2/32"
+                "fd28:6691:1921:6299::2/64"
+              ];
+              endpoint = "141.56.51.1:51820";
+              publicKey = "pUHtAHCDHVQBnqtlIgTkEMHbxXpQmVA0HhxiFUrUb0U=";
+            }
+          ];
+        };
+      };
+    };
   };
 
   # wenn instanzen in die flake migriert sind könnte man das autogenerierien
@@ -102,6 +139,7 @@
     };
 
   environment.systemPackages = with pkgs; [
+    wireguard-tools
   ];
 
   system.stateVersion = "25.11";

hosts/v6proxy/secrets.sops.yml

@@ -0,0 +1,25 @@
+wireguard-key: ENC[AES256_GCM,data:K3UoCWtF2rL8uCzmu8yn4sHKHOrcKmnNBvRQdC9Ph3fWMdDqNqh0jwSByjQ=,iv:feFxNykRK1RJ6EPPVXqXtEVmXeGez4PwJ9h7m1KYUIE=,tag:hSTf/gAUVSjI1GburqRDVA==,type:str]
+sops:
+    age:
+        - recipient: age1gl8zmw86jkrkr7kaqugdyhvdhdrnfd72smndz2kfh4a6ec6s9yxsyrecu6
+          enc: |
+            -----BEGIN AGE ENCRYPTED FILE-----
+            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBsbVd3OUNCMUI3eUI2QlVa
+            WFNjVUpXYVlLdUxiSzhQdHhhRWRpWEhzV1IwCkdYMG5DOXBxTnMwNFpYM1FweDNp
+            ZXd2aXJaNWxOYXRnaW1nSjdNQVpQOU0KLS0tIEY4Q1JqV1FSekVwc0prNjRCUDdm
+            cmpLdW1abFR5SlhxZnpJdnBlNjJQOGMK+JcLyiSCfhVPnhqpqTzB7flFWTff3GcK
+            9779AvKVnhsDb5LDPOi4Ah5gAJfq+JZ/+IiTUqk0a4AWuN9PiyTMGA==
+            -----END AGE ENCRYPTED FILE-----
+        - recipient: age1qp7w80k3qtj79xsl0gwsfrkm037xrlnhm6th7tcyrvufh3szzp6s2pe7ra
+          enc: |
+            -----BEGIN AGE ENCRYPTED FILE-----
+            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBncnVRVi91OWsxejJiS0Y0
+            L2licWRJQ1pGTlZOMEM0VHdyOWlFbEgyRENVCmwxSndQamRZM2NKbW14TTI4aFBV
+            MHQ3YkJwNUhkWlJNSTB2RFBpZEswT28KLS0tIC9EVUxvYk04ek5xc1d4TXl5RFVD
+            MkFyQkxCWDdWQjUxQ0QwcjlScGxPWWMKtzYvXoSSPGhVFlwzdtZylu3eTE5EKxqO
+            OIq9IOOujV3K1dzj5uwmCI+EoEasOMLy7Sa4++1WZmRVmVxFa91/gw==
+            -----END AGE ENCRYPTED FILE-----
+    lastmodified: "2026-03-21T17:41:20Z"
+    mac: ENC[AES256_GCM,data:f94ubkkhUDMkvEPEYYGVg1mahaMmXqAdMcF9Vl16jj7FQTvJy9GCg+1F7eBOu0endpcTQo2a/apd2u7tnzA0IE3CfXo2U8d8aun6yTxxn9qopnxypP2v6mGDHsGbaUI3r+/ZgLXtGDDN+gS/zyu06CPFq/TdLnmcO9zuXAeBmWc=,iv:5VEsRV20A56FKNRQlgojY5TQLhW+kgotQBPgElZY+uQ=,tag:K13Owxl3MDwf5n9soXxiXA==,type:str]
+    unencrypted_suffix: _unencrypted
+    version: 3.12.1