From 2fea36c19eb904125e2db5ba230b28d72dc881db Mon Sep 17 00:00:00 2001
From: Franck Cuny <franck@fcuny.net>
Date: Fri, 12 Sep 2025 13:11:20 -0700
Subject: start to refactor nixos modules

---
 modules/nixos/ssh.nix | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 modules/nixos/ssh.nix

(limited to 'modules/nixos/ssh.nix')

diff --git a/modules/nixos/ssh.nix b/modules/nixos/ssh.nix
new file mode 100644
index 0000000..b4c8772
--- /dev/null
+++ b/modules/nixos/ssh.nix
@@ -0,0 +1,21 @@
+{ lib, ... }:
+{
+  networking.firewall.allowedTCPPorts = [ 22 ];
+
+  services.openssh = {
+    enable = lib.mkDefault true;
+    settings = {
+      PasswordAuthentication = lib.mkForce false;
+      KbdInteractiveAuthentication = lib.mkForce false;
+
+      PermitRootLogin = lib.mkForce "prohibit-password";
+    };
+    openFirewall = lib.mkDefault true;
+    hostKeys = [
+      {
+        path = "/etc/ssh/ssh_host_ed25519_key";
+        type = "ed25519";
+      }
+    ];
+  };
+}
-- 
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