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{ config, ... }: let
wgInterface = "wg";
wanInterface = "ppp0";
subnet = "10.0.1.0";
prefix = 24;
port = 51820;
in {
sops.secrets."misc/wireguard" = {};
networking = {
nat = {
enable = true;
externalInterface = wanInterface;
internalInterfaces = [ wgInterface ];
};
firewall = {
allowedUDPPorts = [ port ];
extraCommands = ''
iptables -t nat -I POSTROUTING 1 \
-s ${subnet}/${toString prefix} \
-o ${wanInterface} \
-j MASQUERADE
'';
};
wireguard.interfaces.${wgInterface} = {
ips = [ "10.0.1.1/${toString prefix}" ];
listenPort = port;
mtu = 1412; # 1492 (ppp0) - 80
privateKeyFile = config.sops.secrets."misc/wireguard".path;
peers = [
{ # cez
publicKey = "IcMpAs/D0u8O/AcDBPC7pFUYSeFQXQpTqHpGOeVpjS8=";
allowedIPs = [ "10.0.1.2/32" ];
}
{ # veu
publicKey = "bJ9aqGYD2Jh4MtWIL7q3XxVHFuUdwGJwO8p7H3nNPj8=";
allowedIPs = [ "10.0.1.3/32" ];
}
{ # dad
publicKey = "q70IyOS2IpubIRWqo5sL3SeEjtUy2V/PT8yqVExiHTQ=";
allowedIPs = [ "10.0.1.4/32" ];
}
{ # shambai
publicKey = "YYDlp/bNKkqFHAhdgaZ2SSEMnIjKTqPTK7Ju6O9/1gY=";
allowedIPs = [ "10.0.1.5/32" ];
}
];
};
};
services.dnsmasq.settings = {
no-dhcp-interface = wgInterface;
interface = [ wgInterface ];
};
}
|
