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{ config, pkgs, ... }:
with import <stockholm/lib>;
{
# ipv6 from vodafone is really really flaky
boot.kernel.sysctl."net.ipv6.conf.et0.disable_ipv6" = 1;
systemd.network.networks."50-et0" = {
matchConfig.Name = "et0";
DHCP = "ipv4";
# dhcpV4Config.UseDNS = false;
# dhcpV6Config.UseDNS = false;
linkConfig = {
RequiredForOnline = "routable";
};
# networkConfig = {
# LinkLocalAddressing = "no";
# };
# dhcpV6Config = {
# PrefixDelegationHint = "::/60";
# };
# networkConfig = {
# IPv6AcceptRA = true;
# };
# ipv6PrefixDelegationConfig = {
# Managed = true;
# };
};
systemd.network.networks."50-int0" = {
name = "int0";
address = [
"10.42.0.1/24"
];
networkConfig = {
IPForward = "yes";
IPMasquerade = "both";
ConfigureWithoutCarrier = true;
DHCPServer = "yes";
# IPv6SendRA = "yes";
# DHCPPrefixDelegation = "yes";
};
};
networking.networkmanager.unmanaged = [ "int0" ];
krebs.iptables.tables.filter.INPUT.rules = [
{ predicate = "-i int0"; target = "ACCEPT"; }
];
krebs.iptables.tables.filter.FORWARD.rules = [
{ predicate = "-i int0"; target = "ACCEPT"; }
{ predicate = "-o int0"; target = "ACCEPT"; }
{ predicate = "-p ipv6-icmp"; target = "ACCEPT"; v4 = false; }
];
krebs.iptables.tables.nat.PREROUTING.rules = mkBefore [
{ v6 = false; predicate = "-s 10.42.0.0/24"; target = "ACCEPT"; }
];
networking.domain = "gg23";
services.dnsmasq = {
enable = true;
resolveLocalQueries = false;
extraConfig = ''
local=/gg23/
domain=gg23
expand-hosts
listen-address=10.42.0.1
interface=int0
'';
};
}
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