Wayne, download this package and use one of the scripts:
Use the miscalenous link to get the file.
http://www.euglug.org/minutes.phtml?id=31

The one you'll want is firewall.lan  However you'll want some modifications.
Delete any lines that reference $extif or $extip, and change the SNAT line
to:
iptables -t nat -A POSTROUTING -s $intnet -d ! $intnet -j MASQUERADE

The speech_notes file will tell you which modules you need compiled into the
kernel.  You definitely need the Masquerade module.  The redhat kernel may
already include the support you need.  In which case try running the script
and if it gives any error messages you know it is missing something.

When you say dhcp, I'm assuming you mean a dhcp client like dhclient (a client 
to the cable isp) and not dhcpd (the server for your other lan computers).

You'll need the rpms for dhcp (probably installed) and iptables (possibly
installed, if you chose server install).

You can probably use the redhat configuration tool to setup dhcp networking
easily.  The only thing needed is your firewall script.

These may help:
http://www.redhat.com/docs/manuals/linux/RHL-8.0-Manual/custom-guide/
http://www.redhat.com/docs/manuals/linux/RHL-8.0-Manual/ref-guide/

Cory


On Wed, Feb 19, 2003 at 09:41:04AM +0000, Wayne Scace wrote:
>                 Hi Gang,
>         Wayne K9DI es Leader Dog Sequoia here (yes, the lone Illinoisian 
> in the group).  The wife and I just "bit the bullet" and signed up for 
> wireless broadband with a local company.  Now I need some help setting up 
> NAT (iptables?) and DHCP on my router box (200MHz pentium running RH7.3 
> upgraded to 8.0).  I have tried to read Man pages and howto's on setting 
> this stuff up and am completely baffled.  Can someone point me in the 
> direction of a newbie friendly resource, or walk me through this setup 
> (baby)step by (baby)step.
>         In other news, we finally registered a domain of our own 
> www.k9di.org (which will redirect to my www.qsl.net/k9di page)
> 
> Respectfully and Sincerely Yours,
> 
> 
> Wayne M. Scace
> 
> [EMAIL PROTECTED]
> LICQ# 315313
> FPQRP-L# 217
> http://www.qsl.net/k9di
> 
> _______________________________________________
> Eug-LUG mailing list
> [EMAIL PROTECTED]
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