Thanks everyone for your answers. I've already knew that the iptables
rule in POSTROUTING chain would be the solution but I was learning
iproute2 and its usage.
So that's why I was trying iptables marking + iproute2 rules.
Thanks :)
Pascal Hambourg escribió:
Gerardo Castillo Alvarado a écrit :
Andreas Onderka escribió:
iptables -t nat -A POSTROUTING -p tcp -o <extIF> --sport 25 -j SNAT
--to-source <IP2>
Don't forget that the SNAT target is for static ip.
Otherwise, you should use MASQUERADE if you are on a dynamic IP address.
Irrelevant. MASQUERADE does not allow to specifiy the new source
address. It just uses the default interface address. In other words, it
would do nothing.
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