From mboxrd@z Thu Jan  1 00:00:00 1970
From: varun_saa@vsnl.net
Subject: ICMP types
Date: Sat, 30 Apr 2005 14:53:23 +0500
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Hello,
      As I understand there are more one 
type of ICMP ping.

What are these types and should they
all be allowed in iptables rules ?

Thanks

Varun