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Re: [cobalt-users] Is a firewall necessary with a RaQ?

One other point, if you have more than one server, you could have a software Firewall (IP chains etc) running on each machine but if you had a hardware Firewall as your gateway, you would only have to put blocks in one place. e.g with Code Red, you could deny offending IPs on a single Firewall machine and not have to bother replicating the information on each server. 

Jason Vaughan
http://www.cobalt-training.com
Next training day, 27th November 2001.


I cant imagine how many virtual groans my subject line caused, but I'm
not an expert in this area, and I am curious...

I know what the basic purpose of a firewall is, and I understand the
different types (application/proxy, packet filtering, hybrid). What I
am wondering is...

How much *additional* security does a firewall afford over a cobalt RaQ
with only "official" (i.e. from Sun support) packages installed?

Even with a firewall, good practice dictates that you shut down all
unnecessary services on your servers (whatever they may be). My
understanding of the internet "applicance" idea is that only the
necessary services are there in the first place - so I'm not sure what
I gain by adding a firewall.

Thanks!
Rusty


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