fail2ban: implement for immich

services/immich.nix

@@ -42,4 +42,19 @@
     "video"
     "render"
   ];
+
+  # Protect Immich login from brute force attacks
+  services.fail2ban.jails.immich = {
+    enabled = true;
+    settings = {
+      backend = "systemd";
+      port = "http,https";
+      # defaults: maxretry=5, findtime=10m, bantime=10m
+    };
+    filter.Definition = {
+      failregex = ''^.*Failed login attempt for user .* from ip address <HOST>.*$'';
+      ignoreregex = "";
+      journalmatch = "_SYSTEMD_UNIT=immich-server.service";
+    };
+  };
 }