but actually i think i wasn't clear enough in my last mail : is it possible to use iptables in order to NAT different VPN established between different NATted hosts and 1 remote gateway (the same gateway for all of them) ? Such a NAT would be made by watching both addresses, ports and SPIs...
In other words : is it possible for iptables to go and check the SPI field in the ESP Header of the IPsec packet in ESP tunnel mode ?
Hope i make me more clear this time :) Thanks in advance !
Dimo
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