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21 lines
656 B
Nix
21 lines
656 B
Nix
{ config, pkgs, ... }:
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let
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in
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{
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networking.firewall = {
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# if packets are still dropped, they will show up in dmesg
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logReversePathDrops = true;
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# wireguard trips rpfilter up
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extraCommands = ''
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ip46tables -t mangle -I nixos-fw-rpfilter -p udp -m udp --sport 51820 -j RETURN
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ip46tables -t mangle -I nixos-fw-rpfilter -p udp -m udp --dport 51820 -j RETURN
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'';
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extraStopCommands = ''
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ip46tables -t mangle -D nixos-fw-rpfilter -p udp -m udp --sport 51820 -j RETURN || true
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ip46tables -t mangle -D nixos-fw-rpfilter -p udp -m udp --dport 51820 -j RETURN || true
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'';
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allowedUDPPorts = [ 51820 ];
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};
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}
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