Clean up and SSH hardening partially.

This commit is contained in:
kat witch 2021-02-25 06:52:36 +00:00
parent f808f1b2fa
commit c35d6120f0
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@ -6,33 +6,41 @@ let
in {
imports = [ ../../modules ../users (sources.home-manager + "/nixos") ];
nix.nixPath = [
"nixpkgs=/nix/var/nix/profiles/per-user/root/channels/nixos"
"nixpkgs-unstable=${sources.nixpkgs-unstable}"
"nixpkgs-mozilla=${sources.nixpkgs-mozilla}"
"arc=${sources.arc-nixexprs}"
];
#boot.kernelPackages = lib.mkDefault pkgs.linuxPackages_latest;
#boot.kernelParams = [ "quiet" ];
nixpkgs.config = { allowUnfree = true; };
nix = {
nixPath = [
"nixpkgs=/nix/var/nix/profiles/per-user/root/channels/nixos"
"nixpkgs-unstable=${sources.nixpkgs-unstable}"
"nixpkgs-mozilla=${sources.nixpkgs-mozilla}"
"arc=${sources.arc-nixexprs}"
];
gc.automatic = lib.mkDefault true;
gc.options = lib.mkDefault "--delete-older-than 1w";
trustedUsers = [ "root" "@wheel" ];
};
services.journald.extraConfig = "SystemMaxUse=512M";
nix.gc.automatic = lib.mkDefault true;
nix.gc.options = lib.mkDefault "--delete-older-than 1w";
nix.trustedUsers = [ "root" "@wheel" ];
environment.variables = {
EDITOR = "emacs";
TERMINFO_DIRS = "${pkgs.kitty.terminfo.outPath}/share/terminfo";
};
services.openssh.enable = true;
services.openssh.ports = lib.mkDefault [ 62954 ];
services.openssh.passwordAuthentication = false;
services.openssh.challengeResponseAuthentication = false;
services.openssh.permitRootLogin = lib.mkDefault "prohibit-password";
services.openssh.extraConfig = "StreamLocalBindUnlink yes";
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
'';
};
security.sudo.wheelNeedsPassword = lib.mkForce false;
i18n.defaultLocale = "en_GB.UTF-8";