Check out IP Masquerading in the Linux kernel. It does work and quite
well in most cases. Fun things happen with things like quake that allow
only one session per IP address (hint: use IP Aliasing), or (again quake)
use one message to initiate a second connection (so you have to create a
second connection based on information buried in the the first - this also
happens in FTP).
So it isn't always trivial, but it has been done and works well.
On Thu, 26 Jun 1997, Alexandre CHERIF wrote:
> why nobody thinks to get the message send from the host to the gateway
> (like a router) take the packet rewrite his adress with his own, send the
> packet to the remote host, open a fake server (dependind on tcp,udp,icmp
> source packet) and then when the remote host send his response, rewrite
> the
> end-user adress has it destination ??
References:
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