[svlug] Port Forwarding

[Seth David Schoen]

Matt Williams writes:

> What do I have to do get port forwarding to work??Is it a possible
> function of IP Masq???or do I have to put something else up there like
> SSH.

I have been told that there is a kernel module under ipchains (in kernel
2.1) called ipportfw, which should do this very well and efficiently in
kernel space.

If you don't have a 2.1 kernel, you'll probably want to use a userspace
program, for which there are many choices.  A good lightweight choice is
"redir":

ftp://sunsite.unc.edu/pub/Linux/system/network/daemons/redir-1.1.tar.gz

There are many other options (netpipes, netcat, ssh, rinetd...), but
redir is very simple and straightforward -- it does one thing and does it
well.

-- 
   Seth David Schoen L&S '01 (undeclared) / schoen at uclink4.berkeley.edu
He said, "This is what the king who will reign over you will do."  And they
said, "Nay, but we will have a king over us, that we also may be like all the
nations." (1 Sam 8)  http://ishmael.geecs.org/~sigma/   http://www.loyalty.org/

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