[CoLoCo] FW: Request for Assist

[David L. Willson]

What is the inside IP address of the router (ifconfig eth0, or something)?  Do the
workstations have it set as their default gateway (route | grep default or ipconfig
/all)?  Is routing enabled (cat /proc/sys/net/ipv4/ip_forward)?

On Wed, 27 Feb 2008 12:45:01 -0700, Mitch Mahan wrote
> I'm actually not very familiar with your situation.
> 
> I have done my share of networking on Ubuntu Machines but never really
> _through_ Ubuntu machines.
> 
> I always use Shorewall Firewall (a "hard" to configure firewall) and I know
> you can set this up through its pseudo-iptables configuration.
> 
> However, you're not without hope.
> 
> I've forwarded on your question to the 'Colorado Ubuntu Team' and I'm sure
> someone more familiar will be able to help you out.
> 
> Cheers,
> 
> - Mitch
> 
>   _____
> 
> From: D. Mynatt [mailto:dave at mynatt.biz] 
> Sent: Tuesday, February 26, 2008 5:24 PM
> To: mitch at kci.net
> Subject: Request for Assist
> 
> Hi,  Got your name and email from web site on Ubuntu,
> https://wiki.ubuntu.com/MitchMahan and was hoping you could please assist me
> with Firestarter on my Unbuntu box.
> 
> I can't seem to get the loop around to work. Ubuntu sees both NICs, and the
> inside machines can ping each other, and the Ubuntu can browse the i'net,
> but the internal machines can't get outside to the world.
> 
> When I startup Firestarter, it shows the NICs but not the loop... any ideas
> on what to do? All I'm really trying to do is give the Ubuntu and outside
> address from my Comcast modem, and keep all the others inside the wall.
> Ergo, two NICs.
> 
> Help?
> 
> Dave


David L. Willson
Trainer/Engineer/Consultant
MCT, MCSE, Linux+
(720) 333-LANS