1 files changed, 18 insertions, 0 deletions
diff --git a/modules/system/networking/fail2ban.nix b/modules/system/networking/fail2ban.nix
new file mode 100644
index 0000000..fa45565
--- /dev/null
+++ b/modules/system/networking/fail2ban.nix
@@ -0,0 +1,18 @@
+{ lib, config, ... }:
+{
+  services.fail2ban = {
+    enable = false;
+
+    ignoreIP = [
+      "10.0.0.0/8"
+      "172.16.0.0/12"
+      "192.168.0.0/16"
+    ];
+
+    jails.sshd.settings = {
+      enabled = true;
+      filter = "sshd[mode=aggressive]";
+      port = lib.strings.concatStringsSep "," (map toString config.services.openssh.ports);
+    };
+  };
+}