[Snort-users] IDS and Firewall
Shaffer, Paul D
paul.d.shaffer at ...178...
Wed Apr 28 14:12:03 EDT 2004
Everyone responding to this thread seems to be preaching to the choir
with an amazing grasp of the obvious. But nobody bothered to ask the
Kernel anything constituting a requirements definition - What is he
trying to do? What is his environment? What equipment does he have
Have you considered the possibility that dyed-in-the-wool dogma purveyed
as gospel, may not be what he is looking for? Maybe he wants some
advice or examples of how a multi-purpose security device might be
cobbled together and properly locked down with Linux? Alot of vendors
are selling them these days...
From: snort-users-admin at lists.sourceforge.net
[mailto:snort-users-admin at lists.sourceforge.net]On Behalf Of Matt
Sent: Wednesday, April 28, 2004 9:06 AM
To: Kernel The Canine; snort-users at lists.sourceforge.net
Subject: Re: [Snort-users] IDS and Firewall
At 03:34 AM 4/28/2004, Kernel The Canine wrote:
>I'm running shorewall.net as my firewall, on RedHat
>linux box version 9.0
>Is it recommended to run on it snort (on the same box)
>or should I run it on another computer
Several user's replied citing resource problems doing this. However,
mentioned the obvious that every firewall admin should know.
Never run any network applications on your firewall box. No mailservers,
webservers, dns servers, and not snort either.
Why? Because if someone exploits snort (ie: the old stream4
or any other program on your firewall box, they now have control of your
firewall machine. At that point, you have no firewall at all.
You really should treat a firewall box as a firewall-only system if you
want it protect you in the event of an attack. Severs, IDS's, etc are
placed on other boxes so that an exploit of one doesn't bring the entire
security of your network down as a hacker digs your firewall apart from
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