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iptables.md

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rules

iptables -t nat -A POSTROUTING -s 10.0.1.0/24 -o net -j MASQUERADE iptables -A FORWARD -s 10.0.1.0/24 -i net -j ACCEPT

-A OUTPUT -o virbr0 -p udp -m udp --dport 68 -j ACCEPT added for ip forward

network ubuntu wiki for kvm network

what is work

!!! important

iptables -t nat -A POSTROUTING -s 10.0.1.0/24 ! -d 10.0.1.0/24 -j MASQUERADE

port forward

iptables -t nat -A PREROUTING -d 192.168.3.130/32 -i br0 -p tcp -m tcp --dport 16666 -j DNAT --to-destination 10.0.1.212:22

iptables -t nat -A PREROUTING -p tcp -i eth0 --dport 587 -j DNAT \ --to-destination 10.0.3.100:587