Great Circle Associates Firewalls
(May 1994)
 

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Subject: ICMP Messages
From: Ken Jones <kenj @ group1 . com>
Date: Wed, 25 May 1994 09:02:03 -0700 (PDT)
To: firewalls @ greatcircle . com

Hi All,

In setting up our router to filter packets, I think I have
everything in place with one exception ... ICMP packets.

On some of our hosts, I need to allow ICMP messages for the
testing of our remote sites. What nasty things can be
done with icmp packets ?? Is there any documentation
about ICMP packets available on the net ??

Thanke for any input.

- Ken

-- 
   Ken Jones      | Group One, Ltd.    |
 kenj @
 group1 .
 com  | 220 Bush St. #350  |
Systems / Network | San Francisco, Ca. |
 Administrator    | 94104              |

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