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Ip rules instead of iptables tracking 

Signed-off-by: Egor Savkin <es@m-labs.hk>
This commit is contained in:
Egor Savkin 2024-09-11 11:28:03 +08:00
parent 2949d444bc
commit 67c1f49478
1 changed files with 2 additions and 12 deletions
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14
nixbld-etc-nixos/configuration.nix
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@ -253,22 +253,12 @@ in
listenPort = 51820;
privateKeyFile = "/path/to/private/key"; # just `wg-quick genkey > /path/to/private/key`
postUp = ''
${pkgs.iproute2}/bin/ip rule add from all fwmark 1 lookup 51820
${pkgs.iproute2}/bin/ip rule add from 10.42.0.0/30 lookup 51820
${pkgs.iproute2}/bin/ip route add default via 10.42.0.1 dev intl0 table 51820
${pkgs.iptables}/bin/iptables -t mangle -A PREROUTING -i intl0 -p tcp -j MARK --set-mark 1
${pkgs.iptables}/bin/iptables -A OUTPUT -o intl0 -m connmark --mark 1 -j ACCEPT
${pkgs.iptables}/bin/iptables -A INPUT -i intl0 -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT
${pkgs.iptables}/bin/iptables -t mangle -A PREROUTING -m conntrack --ctstate NEW -i intl0 -p tcp -j CONNMARK --save-mark
${pkgs.iptables}/bin/iptables -t mangle -A OUTPUT -m conntrack --ctstate ESTABLISHED,RELATED -j CONNMARK --restore-mark
'';
preDown = ''
${pkgs.iproute2}/bin/ip rule del from all fwmark 1 lookup 51820
${pkgs.iproute2}/bin/ip rule del from 10.42.0.0/30 lookup 51820
${pkgs.iproute2}/bin/ip route del default via 10.42.0.1 dev intl0 table 51820
${pkgs.iptables}/bin/iptables -t mangle -D PREROUTING -i intl0 -p tcp -j MARK --set-mark 1
${pkgs.iptables}/bin/iptables -D OUTPUT -o intl0 -m connmark --mark 1 -j ACCEPT
${pkgs.iptables}/bin/iptables -D INPUT -i intl0 -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT
${pkgs.iptables}/bin/iptables -t mangle -D PREROUTING -m conntrack --ctstate NEW -i intl0 -p tcp -j CONNMARK --save-mark
${pkgs.iptables}/bin/iptables -t mangle -D OUTPUT -m conntrack --ctstate ESTABLISHED,RELATED -j CONNMARK --restore-mark
'';
peers = [
{