Great Circle Associates Firewalls
(February 1997)
 

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Subject: Re: strange behavior
From: Rafeeq Ur Rehman <rehman @ lhr . aster . com . pk>
Date: Thu, 13 Feb 1997 11:35:25 +0500 (GMT+0500)
To: Dave Sroelov <dsroelov @ pacbell . net>
Cc: fw-1-mailinglist @ us . checkpoint . com, firewalls @ GreatCircle . COM
In-reply-to: <3302163E . 7200 @ pacbell . net>

On Wed, 12 Feb 1997, Dave Sroelov wrote:

> being somewhat new to FW-1 i have come across something that is a little
> strange.  if i set up a policy with one rule that says to reject all
> packet types from source=any to destination=any and log everything, why
> does ping still work?
> 
> if i specifically add a rule to block icmp packets then ping stops.  i
> would think that blocking 'all' packet types would block everything that
> FW-1 knows about, and it knows about icmp.
> 
If you have an application level firewall, it may not stop icmp.

Rafeeq Ur Rehman
rehman @
 lhr .
 aster .
 com .
 pk




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