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I would think it would be easy to provide the security side-effect of NAT through firewalls in routers. The concept of "you can't talk to me unless I initiated

I would think it would be easy to provide the security side-effect of NAT through firewalls in routers. The concept of "you can't talk to me unless I initiated a connection" does not seem to require NAT.

dfox 16y ago
It is easy, the one iptables rule that does it is in fact slightly longer to write than rule for NAT, but at least makes sense and does not involve words like "MASQUERADE" :)