forked from pub-solar/os
Benjamin Bädorf
8529a15177
The paranoia mode now also enables the firewall and closes down a couple of small openSSH holes. `noexec` on the whole FS is left out as it will make every existing PubSolarOS installation panic.
56 lines
1.5 KiB
Nix
56 lines
1.5 KiB
Nix
{ config, lib, ... }:
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with lib;
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let
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psCfg = config.pub-solar;
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cfg = config.pub-solar.paranoia;
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in
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{
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options.pub-solar.paranoia = {
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enable = mkOption {
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description = ''
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Only offer hibernation instead of screen locking and sleeping. This only makes sense
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if your hard drive is encrypted, and ensures that the contents of your drive are
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encrypted if you are not actively using the device.
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'';
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default = false;
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type = types.bool;
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};
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};
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config = mkIf cfg.enable {
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pub-solar.core.hibernation.enable = true;
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services.logind.lidSwitch = "hibernate";
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# The options below are directly taken from or inspired by
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# https://xeiaso.net/blog/paranoid-nixos-2021-07-18
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# Don't set this if you need sftp
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services.openssh.allowSFTP = false;
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services.openssh.openFirewall = false; # Lock yourself out
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# Limit the use of sudo to the group wheel
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security.sudo.execWheelOnly = true;
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# Remove the complete default environment of packages like
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# nano, perl and rsync
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environment.defaultPackages = lib.mkForce [ ];
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# fileSystems."/".options = [ "noexec" ];
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services.openssh = {
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enable = true;
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openFirewall = false;
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passwordAuthentication = false;
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kbdInteractiveAuthentication = false;
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extraConfig = ''
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AllowTcpForwarding yes
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X11Forwarding no
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AllowAgentForwarding no
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AllowStreamLocalForwarding no
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AuthenticationMethods publickey
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'';
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};
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};
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}
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