packet mangling and routing
lists at kittypee.com
Tue Oct 16 14:01:01 MDT 2007
On Tue, 2007-10-16 at 13:05 -0600, Michael L Torrie wrote:
> I'm sure a packet would make it back to the requesting computer, even if
> it was going out the wrong interface. However, the calling computer
> would likely discard it, since it's not coming from the same ip address
> as the original destination. Linux iptables, for example would not see
> it as a related packet when tracking connections. So udp and tcp things
> would likely not work, but ping would.
The source IP address is not defined by the interface the packet exits
the computer. The source IP address is defined by the application. The
application will use the same source address in the connection during
the entire transaction.
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