3 files changed, 31 insertions, 0 deletions
diff --git a/config/services/default.nix b/config/services/default.nix
new file mode 100644
index 0000000..366b226
--- /dev/null
+++ b/config/services/default.nix
@@ -0,0 +1,6 @@
+{
+  imports = [
+    ./fail2ban.nix
+    ./ssh.nix
+  ];
+}
diff --git a/config/services/fail2ban.nix b/config/services/fail2ban.nix
new file mode 100644
index 0000000..050fb93
--- /dev/null
+++ b/config/services/fail2ban.nix
@@ -0,0 +1,15 @@
+{
+  services.fail2ban = {
+    enable = true;
+
+    bantime = "30m";
+    maxretry = 5;
+
+    bantime-increment = {
+      enable = true;
+      maxtime = "3d";
+      factor = "4";
+      rndtime = "10m";
+    };
+  };
+}
diff --git a/config/services/ssh.nix b/config/services/ssh.nix
new file mode 100644
index 0000000..46164ef
--- /dev/null
+++ b/config/services/ssh.nix
@@ -0,0 +1,10 @@
+{ lib, ... }:
+{
+  services.openssh = {
+    allowSFTP = false;
+    settings = {
+      PermitRootLogin = "no";
+      AllowGroups = lib.mkDefault [ "wheel" ];
+    };
+  };
+}