From 8d8ad7a9f79ba88cc5b07e8f5f4d1a4cded4ff1b Mon Sep 17 00:00:00 2001
From: ene <ene@sils.li>
Date: Sat, 25 Mar 2023 13:41:53 +0100
Subject: Feat(system/services/fail2ban): Add fail2ban

This should clear the logs somewhat.
---
 system/services/default.nix          |  1 +
 system/services/fail2ban/default.nix | 14 ++++++++++++++
 2 files changed, 15 insertions(+)
 create mode 100644 system/services/fail2ban/default.nix

(limited to 'system')

diff --git a/system/services/default.nix b/system/services/default.nix
index f36cb29..5d9e5b6 100644
--- a/system/services/default.nix
+++ b/system/services/default.nix
@@ -7,5 +7,6 @@
     ./nix
     ./opensshd
     ./rust-motd
+    ./fail2ban
   ];
 }
diff --git a/system/services/fail2ban/default.nix b/system/services/fail2ban/default.nix
new file mode 100644
index 0000000..5b5e9e7
--- /dev/null
+++ b/system/services/fail2ban/default.nix
@@ -0,0 +1,14 @@
+# vim: ts=2
+{...}: {
+  services.fail2ban = {
+    enable = true;
+    maxretry = 2; # ban after 2 failures
+    bantime-increment = {
+      enable = true;
+      rndtime = "8m";
+      overalljails = true;
+      multipliers = "2 4 16 128 256";
+      maxtime = "72h";
+    };
+  };
+}
-- 
cgit 1.4.1