Nixos-Configuration/modules/nixos/common/firewall.nix
Jermeiah S 83469322e6
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feature: added nftables config [deploy]
this default config allows everything internally but only allows ssh
over ygg0
2025-06-25 18:34:50 -04:00

33 lines
692 B
Nix

{
lib,
pkgs,
config,
...
}:
{
networking.nftables = {
enable = true;
ruleset = ''
table inet filter {
chain input {
type filter hook input priority filter; policy accept;
ct state related,established accept
# Restrict ygg0: only allow SSH in
iifname "ygg0" tcp dport 22 accept
iifname "ygg0" drop
}
chain forward {
type filter hook forward priority filter; policy accept;
# Optional: drop forwarding via ygg0
iifname "ygg0" drop
}
chain output {
type filter hook output priority filter; policy accept;
}
}
'';
};
}