From: Plank, Jason (JPlank@concordefs.com)
Date: Sun May 21 2006 - 07:34:19 ART
There are a few other types of ICMP messages besides echo and echo-reply.
Source-quench, unreachable, time-exceeded etc.... the first one will allow
all ICMP message types while echo and echo-reply allow only those messages.
-------------------
J. Marshall Plank
Network Engineer
101 Bellevue Parkway
Wilmington, DE 19809
E-mail: JPlank@concordefs.com
Phone: 302-793-5913
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of lim
es
Sent: Sunday, May 21, 2006 6:11 AM
To: ccielab@groupstudy.com
Subject: icmp question
Hi Group,
any difference between:
===== 1 ===
permit icmp any any
======2 ====
permit icmp any any echo
permit icmp any any echo-reply
i thought they are the same?
TIA
Lim
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