{ config, lib, pkgs, ... }: { services.openssh = { enable = true; ports = lib.mkDefault [ 62954 ]; passwordAuthentication = false; challengeResponseAuthentication = false; permitRootLogin = lib.mkDefault "prohibit-password"; kexAlgorithms = [ "curve25519-sha256@libssh.org" ]; extraConfig = '' StreamLocalBindUnlink yes LogLevel VERBOSE ''; }; }