How to forward port 80 on Linux Redhat 9?

["Eve Atley" <eatley@wowcorp.com>]

Hello all,

We use Redhat 9 as our server and router, and Bastille as our firewall on
that box. I have set up Bastille so it allows port 80 requests from our
external IP (ie. 209.158.555.123). However, I can't figure out how to
forward port 80 to an internal machine (ie. 192.168.10.28).

I have been reading online articles first, and I guess it has something to
do with iptables? I have seen the /etc/rc.d/rc.local file, and it looks like
greek to me. I believe I need to do something like this:

iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j DNAT --to
10.0.4.2:80

But it all has [0.0] and such before it, with a final line of COMMIT.

I have examined /etc/sysctl.conf and see that port forwarding is turned on.

Can somebody point me in the right direction as to what file I must
configure, or what commands I must use to forward port 80 to 192.168.10.28?

I have tried from an external terminal, and I can't even access the server
(ie. 209.185.555.123). I have no entry in hosts.allow for HTTPD as I wasn't
sure what syntax to be using. Is it:
httpd: ALL ?

Thanks,
Eve

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