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Add wg-quick

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This commit is contained in:
muon 2024-08-27 23:15:09 +00:00
parent 196b50c629
commit 5172f21a54
2 changed files with 92 additions and 26 deletions
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32
modules/nixos/core/network.nix
View file

@ -22,21 +22,20 @@
remote.config = ''config ${config.mods.openvpn.config}'';
};
networking.firewall = lib.mkIf config.mods.wireguard.enable {
allowedUDPPorts = [ 51820 ]; # Clients and peers can use the same port, see listenport
};
networking.wireguard.interfaces = lib.mkIf config.mods.wireguard.enable {
networking.wg-quick.interfaces = lib.mkIf config.mods.wireguard.enable {
wg0 = {
ips = [ "10.100.0.2/24" ];
listenPort = 51820;
address = [ "10.0.0.2/24" "fdc9:281f:04d7:9ee9::2/64" ];
dns = [ "10.0.0.1" "fdc9:281f:04d7:9ee9::1" ];
privateKeyFile = "/home/muon/wireguard-keys/private";
peers = [
{
publicKey = "2RF8GmTZwQdzVm2l2piYy6U0qiMU3wSxC7Lt8urAjwA=";
allowedIPs = [ "0.0.0.0/0" ];
presharedKeyFile = "/home/muon/wireguard-keys/psk-muon";
allowedIPs = [ "0.0.0.0/0" "::/0" ];
# ip route add 93.95.230.11 via 192.168.0.1
endpoint = "93.95.230.11:51820";
persistentKeepalive = 25;
@ -45,5 +44,24 @@
};
};
# networking.wireguard.interfaces = lib.mkIf config.mods.wireguard.enable {
# wg0 = {
# ips = [ "10.100.0.2/24" ];
# listenPort = 51820;
# privateKeyFile = "/home/muon/wireguard-keys/private";
# peers = [
# {
# publicKey = "2RF8GmTZwQdzVm2l2piYy6U0qiMU3wSxC7Lt8urAjwA=";
# allowedIPs = [ "0.0.0.0/0" ];
# # ip route add 93.95.230.11 via 192.168.0.1
# endpoint = "93.95.230.11:51820";
# persistentKeepalive = 25;
# }
# ];
# };
# };
};
}

86
modules/nixos/server/wireguard.nix
View file

@ -8,38 +8,86 @@
config = lib.mkIf config.mods.server.wireguard.enable {
networking.nat.enable = true;
networking.nat.externalInterface = "ens3";
networking.nat.internalInterfaces = [ "wg0" ];
networking.nat = {
enable = true;
enableIPv6 = true;
externalInterface = "ens3";
internalInterfaces = [ "wg0" ];
};
networking.firewall = {
allowedUDPPorts = [ 51820 ];
allowedTCPPorts = [ 53 ];
allowedUDPPorts = [ 53 51820 ];
};
networking.wireguard.interfaces = {
networking.wg-quick.interfaces = {
# "wg0" is the network interface name. You can name the interface arbitrarily.
wg0 = {
ips = [ "10.100.0.1/24" ];
# Determines the IP/IPv6 address and subnet of the client's end of the tunnel interface
address = [ "10.0.0.1/24" "fdc9:281f:04d7:9ee9::1/64" ];
# The port that WireGuard listens to - recommended that this be changed from default
listenPort = 51820;
postSetup = ''
${pkgs.iptables}/bin/iptables -t nat -A POSTROUTING -s 10.100.0.0/24 -o eth0 -j MASQUERADE
'';
# This undoes the above command
postShutdown = ''
${pkgs.iptables}/bin/iptables -t nat -D POSTROUTING -s 10.100.0.0/24 -o eth0 -j MASQUERADE
'';
# Path to the server's private key
privateKeyFile = "/home/muon/wireguard-keys/private";
# This allows the wireguard server to route your traffic to the internet and hence be like a VPN
postUp = ''
${pkgs.iptables}/bin/iptables -A FORWARD -i wg0 -j ACCEPT
${pkgs.iptables}/bin/iptables -t nat -A POSTROUTING -s 10.0.0.1/24 -o ens3 -j MASQUERADE
${pkgs.iptables}/bin/ip6tables -A FORWARD -i wg0 -j ACCEPT
${pkgs.iptables}/bin/ip6tables -t nat -A POSTROUTING -s fdc9:281f:04d7:9ee9::1/64 -o ens3 -j MASQUERADE
'';
# Undo the above
preDown = ''
${pkgs.iptables}/bin/iptables -D FORWARD -i wg0 -j ACCEPT
${pkgs.iptables}/bin/iptables -t nat -D POSTROUTING -s 10.0.0.1/24 -o ens3 -j MASQUERADE
${pkgs.iptables}/bin/ip6tables -D FORWARD -i wg0 -j ACCEPT
${pkgs.iptables}/bin/ip6tables -t nat -D POSTROUTING -s fdc9:281f:04d7:9ee9::1/64 -o ens3 -j MASQUERADE
'';
peers = [
{
{ # peer0
publicKey = "MDBdADwP/SE/T9cadXB1Mup7Dr3x+l6gBFBN83BU4Dg=";
allowedIPs = [ "10.100.0.2/32" ];
presharedKeyFile = "/home/muon/wireguard-keys/psk-muon";
allowedIPs = [ "10.0.0.2/32" "fdc9:281f:04d7:9ee9::2/128" ];
}
# More peers can be added here.
];
};
};
services.dnsmasq = {
enable = true;
extraConfig = ''
interface=wg0
'';
};
# networking.wireguard.interfaces = {
# wg0 = {
# ips = [ "10.100.0.1/24" ];
# listenPort = 51820;
# postSetup = ''
# ${pkgs.iptables}/bin/iptables -t nat -A POSTROUTING -s 10.100.0.0/24 -o eth0 -j MASQUERADE
# '';
# # This undoes the above command
# postShutdown = ''
# ${pkgs.iptables}/bin/iptables -t nat -D POSTROUTING -s 10.100.0.0/24 -o eth0 -j MASQUERADE
# '';
# privateKeyFile = "/home/muon/wireguard-keys/private";
# peers = [
# {
# publicKey = "MDBdADwP/SE/T9cadXB1Mup7Dr3x+l6gBFBN83BU4Dg=";
# allowedIPs = [ "10.100.0.2/32" ];
# }
# ];
# };
# };
};
}