[CentOS] DHCPd Config

Wed Mar 30 14:54:57 UTC 2005
Ryan <ryanag at zoominternet.net>

Make sure you have bind installed and two ethernet cards installed.
Give the lan ethernet card a static IP such as

Use the firestarter package (www.fs-security.com).

Run the wizard (5 screens) http://www.fs-security.com/pics/wizard3.png

You're done!

If you are curious about how to do this yourself, check /etc/ 
firestarter there is a "firewall" config file that shows every step the  
program did to enable forwarding, etc.

If you are generally happy with the program, you can add in custom  
scripts in the user-pre file- they load before firestarters other rules  
and take precendence.

If you hate the program, study what options it passes under the config  

On 03/30/2005 07:21:37 AM, Johnny Hughes wrote:
> On Wed, 2005-03-30 at 14:10 +0100, Joao Medeiros wrote:
> > I've read a number of articles, googled the web for a few months  
> and
> > now attempting at turning my CentOS box into a gateway for the  
> third
> > time. Configured my dhcpd.conf and other related files and all  
> seems
> > to be working, I can have my M$ desktop leasing an ip address and
> all.
> >
> > The problem is when I want to go out to the internet I keep on
> getting
> > the Request Timed out error.
> >
> > I'm pretty sure I've followed the manuals to the letter. The
> hardware
> > is working fine.
> >
> > Any clues or pointers would be very much appreciated.
> >
> > TIA,
> > Joao
> You need to do ip-masquerading to pass traffic thru a linux box as a
> gateway.  That requires 2 NICs and an iptables script which does
> masquerading
> I use this script to setup that kind of box:
> http://ldp.hughesjr.com/HOWTO/IP-Masquerade-HOWTO/stronger-firewall-examples.html#RC.FIREWALL-2.4.X-STRONGER

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