From 9e0867dcd9e0caaa5ef73061e9c7a3375d45f0fb Mon Sep 17 00:00:00 2001
From: Fuwn <contact@fuwn.me>
Date: Thu, 5 Sep 2024 02:49:29 -0700
Subject: Bump

---
 modules/system/networking/firewall/default.nix  | 11 +++++++++++
 modules/system/networking/firewall/fail2ban.nix | 20 ++++++++++++++++++++
 2 files changed, 31 insertions(+)
 create mode 100644 modules/system/networking/firewall/default.nix
 create mode 100644 modules/system/networking/firewall/fail2ban.nix

(limited to 'modules/system/networking/firewall')

diff --git a/modules/system/networking/firewall/default.nix b/modules/system/networking/firewall/default.nix
new file mode 100644
index 0000000..074f398
--- /dev/null
+++ b/modules/system/networking/firewall/default.nix
@@ -0,0 +1,11 @@
+{
+  imports = [ ./fail2ban.nix ];
+
+  networking.firewall = {
+    enable = true;
+    allowPing = false;
+    logReversePathDrops = true;
+    logRefusedConnections = false;
+    checkReversePath = "loose";
+  };
+}
diff --git a/modules/system/networking/firewall/fail2ban.nix b/modules/system/networking/firewall/fail2ban.nix
new file mode 100644
index 0000000..6311b14
--- /dev/null
+++ b/modules/system/networking/firewall/fail2ban.nix
@@ -0,0 +1,20 @@
+{ pkgs, lib, ... }:
+{
+  services.fail2ban = {
+    enable = false;
+    banaction = "nftables-multiport";
+    banaction-allports = lib.mkDefault "nftables-allport";
+
+    extraPackages = with pkgs; [
+      nftables
+      ipset
+    ];
+
+    ignoreIP = [
+      "10.0.0.0/8"
+      "172.16.0.0/12"
+      "100.64.0.0/16"
+      "192.168.0.0/16"
+    ];
+  };
+}
-- 
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