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l 2 libvirt: add iptables config for NAT

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lassulus 2016-12-26 13:29:39 +01:00
parent 512f90d100
commit 205d0f0d21
1 changed files with 23 additions and 0 deletions
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23
lass/2configs/libvirt.nix
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@ -4,4 +4,27 @@
users.users.mainUser.extraGroups = [ "libvirtd" ];
virtualisation.libvirtd.enable = true;
krebs.iptables.tables.filter.INPUT.rules = [
{ v6 = false; predicate = "-i virbr0 -p udp -m udp --dport 53"; target = "ACCEPT"; }
{ v6 = false; predicate = "-i virbr0 -p tcp -m tcp --dport 53"; target = "ACCEPT"; }
{ v6 = false; predicate = "-i virbr0 -p udp -m udp --dport 67"; target = "ACCEPT"; }
{ v6 = false; predicate = "-i virbr0 -p tcp -m tcp --dport 67"; target = "ACCEPT"; }
];
krebs.iptables.tables.filter.FORWARD.rules = [
{ v6 = false; predicate = "-d 192.168.122.0/24 -o virbr0 -m conntrack --ctstate RELATED,ESTABLISHED"; target = "ACCEPT"; }
{ v6 = false; predicate = "-s 192.168.122.0/24 -i virbr0"; target = "ACCEPT"; }
{ v6 = false; predicate = "-i virbr0 -o virbr0"; target = "ACCEPT"; }
{ v6 = false; predicate = "-o virbr0"; target = "REJECT --reject-with icmp-port-unreachable"; }
{ v6 = false; predicate = "-i virbr0"; target = "REJECT --reject-with icmp-port-unreachable"; }
];
krebs.iptables.tables.filter.OUTPUT.rules = [
{ v6 = false; predicate = "-o virbr0 -p udp -m udp --dport 68"; target = "ACCEPT"; }
];
krebs.iptables.tables.nat.POSTROUTING.rules = [
{ v6 = false; predicate = "-s 192.168.122.0/24 -d 224.0.0.0/24"; target = "RETURN"; }
{ v6 = false; predicate = "-s 192.168.122.0/24 -d 255.255.255.255"; target = "RETURN"; }
{ v6 = false; predicate = "-s 192.168.122.0/24 ! -d 192.168.122.0/24"; target = "MASQUERADE"; }
{ v6 = false; predicate = "-s 192.168.122.0/24 ! -d 192.168.122.0/24 -p tcp"; target = "MASQUERADE --to-ports 1024-65535"; }
{ v6 = false; predicate = "-s 192.168.122.0/24 ! -d 192.168.122.0/24 -p udp"; target = "MASQUERADE --to-ports 1024-65535"; }
];
}