Added attributes for openssh

roles/openssh.nix

@@ -0,0 +1,21 @@
+# SSH service configuration common to all hosts
+
+{ config, pkgs, lib, ... }:
+
+{
+
+  services.openssh = {
+    enable = true;          # Enable the OpenSSH daemon.
+    permitRootLogin = "without-password";
+    challengeResponseAuthentication = false;
+    passwordAuthentication = false;
+    openFirewall = true;
+    hostKeys = [
+      {
+        path = "/etc/ssh/ssh_host_ed25519_key";
+        type = "ed25519";
+      }
+    ];
+  };
+
+}