nix/module/Sshd.nix

{ secret, ... }: {
	users.users.root.openssh.authorizedKeys.keys = secret.ssh.trustedKeys;

	services.openssh = {
		enable    = true;
		allowSFTP = true;
		# openFirewall = false;
		ports = [ 22143 ];
		listenAddresses = [
			{
				addr = "0.0.0.0";
				port = 22143;
			}
		];
		settings = {
			AllowUsers      = [ "root" "nixbuilder" ];
			LoginGraceTime  = "1m";
			# MaxAuthTries    = 1;
			MaxSessions     = 10;
			PermitRootLogin = "prohibit-password";
			StrictModes     = false;

			UseDns = false;
			UsePAM = true;

			GSSAPIAuthentication         = false;
			HostbasedAuthentication      = false;
			KbdInteractiveAuthentication = false;
			KerberosAuthentication       = false;
			PasswordAuthentication       = false;
			PermitEmptyPasswords         = false;
			PubkeyAuthentication         = true;
		};
	};
}