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dotfiles/system/nixos/chrony.nix

36 lines
663 B
Nix

{ lib, ... }:
{
services.chrony = {
enable = true;
servers = [
"ptbtime1.ptb.de"
"ptbtime2.ptb.de"
"ptbtime3.ptb.de"
"134.130.4.17" # "ntp1.rwth-aachen.de"
"134.130.5.17" # "ntp2.rwth-aachen.de"
"137.226.119.25" # "ntp3.rwth-aachen.de"
"ntp1.hetzner.de"
"ntp2.hetzner.de"
"ntp3.hetzner.de"
"time.cloudflare.com"
];
extraConfig = ''
burst 3/3
makestep 1.0 3
bindaddress 0.0.0.0
port 123
allow
'';
};
services.timesyncd.enable = lib.mkForce false;
networking.firewall = {
allowedUDPPorts = [ 123 ];
allowedTCPPorts = [ 123 ];
};
}