diff --git a/utils/modules/authelia/default.nix b/utils/modules/authelia/default.nix
index 8014d48..3e14942 100644
--- a/utils/modules/authelia/default.nix
+++ b/utils/modules/authelia/default.nix
@@ -158,6 +158,21 @@
               ];
               userinfo_signing_algorithm = "none";
             }
+            {
+              id = "gbv-aktuell-typo3";
+              description = "GBV Aktuell";
+              secret = "$pbkdf2-sha512$310000$Uo9yGyKfhLxouYNFierOLQ$e37Ui7FIEUCezV4zgM1WX96ruzSA7dz4Q27G0o2iFiNUV/giHh0lyJklcI1UIs10Fs3bsZHDgRnDwaGL3DYsDw";
+              public = false;
+              authorization_policy = "one_factor";
+              redirect_uris = [ "https://gbv-aktuell.cloonar.dev/callback" ];
+              pre_configured_consent_duration = "1y";
+              scopes = [
+                "openid"
+                "profile"
+                "email"
+              ];
+              userinfo_signing_algorithm = "none";
+            }
           ];
         };
       };
diff --git a/utils/modules/zammad/default.nix b/utils/modules/zammad/default.nix
index 664af08..941c9e3 100644
--- a/utils/modules/zammad/default.nix
+++ b/utils/modules/zammad/default.nix
@@ -15,6 +15,48 @@
     forceSSL = true;
     enableACME = true;
     acmeRoot = null;
+
+    extraConfig = ''
+      # Virtual endpoint created by nginx to forward auth requests.
+      location /authelia {
+        internal;
+        set $upstream_authelia http://127.0.0.1:9091/api/verify;
+        proxy_pass_request_body off;
+        proxy_pass $upstream_authelia;    
+        proxy_set_header Content-Length "";
+
+        # Timeout if the real server is dead
+        proxy_next_upstream error timeout invalid_header http_500 http_502 http_503;
+
+        # [REQUIRED] Needed by Authelia to check authorizations of the resource.
+        # Provide either X-Original-URL and X-Forwarded-Proto or
+        # X-Forwarded-Proto, X-Forwarded-Host and X-Forwarded-Uri or both.
+        # Those headers will be used by Authelia to deduce the target url of the     user.
+        # Basic Proxy Config
+        client_body_buffer_size 128k;
+        proxy_set_header Host $host;
+        proxy_set_header X-Original-URL $scheme://$http_host$request_uri;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $remote_addr; 
+        proxy_set_header X-Forwarded-Proto $scheme;
+        proxy_set_header X-Forwarded-Host $http_host;
+        proxy_set_header X-Forwarded-Uri $request_uri;
+        proxy_set_header X-Forwarded-Ssl on;
+        proxy_redirect  http://  $scheme://;
+        proxy_http_version 1.1;
+        proxy_set_header Connection "";
+        proxy_cache_bypass $cookie_session;
+        proxy_no_cache $cookie_session;
+        proxy_buffers 4 32k;
+
+        # Advanced Proxy Config
+        send_timeout 5m;
+        proxy_read_timeout 240;
+        proxy_send_timeout 240;
+        proxy_connect_timeout 240;
+      }
+    '';
+
     locations."/" = {
       proxyPass = "http://127.0.0.1:3010";
       proxyWebsockets = true;
@@ -25,6 +67,33 @@
         "send_timeout           300;"
       ;
     };
+    locations."/auth/sso" = {
+      extraConfig = ''
+        # Basic Authelia Config
+        # Send a subsequent request to Authelia to verify if the user is authenticated
+        # and has the right permissions to access the resource.
+        auth_request /authelia;
+        # Set the `target_url` variable based on the request. It will be used to build the portal
+        # URL with the correct redirection parameter.
+        auth_request_set $target_url $scheme://$http_host$request_uri;
+        # Set the X-Forwarded-User and X-Forwarded-Groups with the headers
+        # returned by Authelia for the backends which can consume them.
+        # This is not safe, as the backend must make sure that they come from the
+        # proxy. In the future, it's gonna be safe to just use OAuth.
+        auth_request_set $user $upstream_http_remote_user;
+        auth_request_set $groups $upstream_http_remote_groups;
+        auth_request_set $name $upstream_http_remote_name;
+        auth_request_set $email $upstream_http_remote_email;
+        proxy_set_header Remote-User $user;
+        proxy_set_header Remote-Groups $groups;
+        proxy_set_header Remote-Name $name;
+        proxy_set_header Remote-Email $email;
+        # If Authelia returns 401, then nginx redirects the user to the login portal.
+        # If it returns 200, then the request pass through to the backend.
+        # For other type of errors, nginx will handle them as usual.
+        # error_page 401 =302 https://auth.cloonar.com/?rd=$target_url;
+      '';
+    };
     locations."/ws" = {
       proxyPass = "http://127.0.0.1:6042";
       proxyWebsockets = true;