Iptables forward redirect dnat masquerade

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iptables -t nat -A PREROUTING -d DESTINATION_IP -j DNAT --to-destination NEW_DESTINATION_IP iptables -t nat -A POSTROUTING -s SOURCE_IP -d NEW_DESTINATION_IP -j SNAT --to-source NEW_SOURCE_IP Next, you need to sure that IPSec policy contains both IP (NEW_SOURCE_IP and NEW_DESTINATION_IP) Masquerade action does not work when you use IPSec, because IPSec tunnels haven't interface.

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