full-disclosure - ICMP (was: daily internet traffic report)

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Message-ID: <1098094067.7155.3.camel@www.bsrf.org.uk>
From: barrie at reboot-robot.net (Barrie Dempster)
Subject: ICMP (was: daily internet traffic report)

On Sun, 2004-10-17 at 16:35 -0600, James Edwards wrote:
> 
> That is great till you want to run a server behind that firewall.
<snip>

If the server is behind the firewall the firewall will be aware of the
connection passing through and will therefore regard the packets as
legitimate.

I agree with you though blocking ICMP isn't much towards security
although as said before if we block everything and whitelist we are
closer to a secure system.
(The whitelist here being, RELATED connections)

-- 
Barrie Dempster (zeedo) - Fortiter et Strenue

  http://www.bsrf.org.uk

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