119 lines
3.5 KiB
Nix
119 lines
3.5 KiB
Nix
{ util, config, lib, ... }: let
|
|
internal = "10.0.0.1"; # Lan host IP address.
|
|
external = "188.242.247.132"; # Wan host IP address.
|
|
wifi = "10.0.0.2"; # Wifi router IP address.
|
|
|
|
lan = "br0"; # Lan interface.
|
|
wan = "enp8s0"; # Wan interface.
|
|
in {
|
|
# Allow packet routing (we are a router).
|
|
boot.kernel.sysctl = {
|
|
"net.ipv4.conf.all.src_valid_mark" = 1;
|
|
"net.ipv4.ip_forward" = 1;
|
|
};
|
|
|
|
# Disable SSH access from everywhere, configure access bellow.
|
|
services.openssh.openFirewall = false;
|
|
|
|
networking = {
|
|
# Use only external DNS.
|
|
networkmanager.insertNameservers = [
|
|
"1.1.1.1"
|
|
"8.8.8.8"
|
|
];
|
|
|
|
# Some extra hosts for local access.
|
|
extraHosts = util.trimTabs ''
|
|
10.1.0.2 git.voronind.com
|
|
10.1.0.2 iot.voronind.com
|
|
10.1.0.2 pass.voronind.com
|
|
'';
|
|
|
|
firewall = {
|
|
enable = true;
|
|
extraCommands = let
|
|
# Container configs.
|
|
cfg = config.container.module;
|
|
|
|
# Const.
|
|
tcp = "tcp";
|
|
udp = "udp";
|
|
|
|
# Create port forwarding rule.
|
|
mkForward = src: sport: dst: dport: proto: "iptables -t nat -I PREROUTING -d ${src} -p ${proto} --dport ${toString sport} -j DNAT --to-destination ${dst}:${toString dport}\n";
|
|
in ''
|
|
# Wan access for 10.0.0.0/24 subnet.
|
|
iptables -t nat -A POSTROUTING -s 10.0.0.0/24 -d 0/0 -o ${wan} -j MASQUERADE
|
|
|
|
# Full access from VPN clients.
|
|
iptables -I INPUT -j ACCEPT -s ${cfg.vpn.address} -d ${internal}
|
|
iptables -I INPUT -j ACCEPT -s ${cfg.zapret.address} -d ${internal}
|
|
|
|
# Full access from Lan.
|
|
iptables -I INPUT -j ACCEPT -i ${lan} -d ${internal}
|
|
''
|
|
# Expose DNS server for internal network.
|
|
+ (mkForward internal cfg.dns.port cfg.dns.address cfg.dns.port tcp)
|
|
+ (mkForward internal cfg.dns.port cfg.dns.address cfg.dns.port udp)
|
|
|
|
# Email server.
|
|
+ (mkForward external 25 cfg.mail.address 25 tcp)
|
|
+ (mkForward internal 25 cfg.mail.address 25 tcp)
|
|
+ (mkForward internal 465 cfg.mail.address 465 tcp)
|
|
+ (mkForward internal 993 cfg.mail.address 993 tcp)
|
|
|
|
# FRKN internal proxy server.
|
|
+ (mkForward internal cfg.zapret.port cfg.zapret.address cfg.zapret.port tcp)
|
|
+ (mkForward internal cfg.zapret.torport cfg.zapret.address cfg.zapret.torport tcp)
|
|
+ (mkForward internal cfg.zapret.port cfg.zapret.address cfg.zapret.port udp)
|
|
+ (mkForward internal cfg.zapret.torport cfg.zapret.address cfg.zapret.torport udp)
|
|
|
|
# Allow VPN connections from Wan.
|
|
+ (mkForward external cfg.vpn.port cfg.vpn.address cfg.vpn.port udp)
|
|
|
|
# Nginx HTTP access from Wan.
|
|
+ (mkForward external cfg.proxy.port cfg.proxy.address cfg.proxy.port tcp)
|
|
+ (mkForward internal cfg.proxy.port cfg.proxy.address cfg.proxy.port tcp)
|
|
|
|
# Download ports for torrents.
|
|
+ (mkForward external 54630 cfg.download.address 54630 tcp)
|
|
+ (mkForward external 54631 cfg.download.address 54631 tcp)
|
|
+ (mkForward external 54630 cfg.download.address 54630 udp)
|
|
+ (mkForward external 54631 cfg.download.address 54631 udp)
|
|
;
|
|
};
|
|
|
|
# Create Lan bridge.
|
|
bridges.${lan}.interfaces = [
|
|
"enp6s0f0"
|
|
"enp6s0f1"
|
|
];
|
|
|
|
interfaces = {
|
|
${lan}.ipv4 = {
|
|
# Assign Lan address and subnet.
|
|
addresses = [{
|
|
address = internal;
|
|
prefixLength = 24;
|
|
}];
|
|
|
|
# Assign traffic routes.
|
|
routes = [
|
|
# Wifi 5G clients.
|
|
{
|
|
address = "192.168.1.0";
|
|
prefixLength = 24;
|
|
via = wifi;
|
|
}
|
|
# Wifi 2.4G clients.
|
|
{
|
|
address = "192.168.2.0";
|
|
prefixLength = 24;
|
|
via = wifi;
|
|
}
|
|
];
|
|
};
|
|
};
|
|
};
|
|
}
|