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I've got a firewall setup up running debian 2.2 with a 2.2 kernel, and
want to set up a server behind the firewall such that someone in the
outside world connnects to the firewall on a particular port, the firewall
then redirects this connection to a port on a particular machine inside
the firewall, and everyone is happy. The machines inside the firewall have
masquerading access to the internet, i.e. have no real IP
addresses. Should be textbook stuff, really.
Does ipchains handle the port forwarding, or does one need an external
program (i.e. redir) to do this? I have got the latter working, but was
under the impression this could b done with just ipchains. If so, what
rules would b needed?
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