From: Kurt Kruegel (kurt@cybernex.net)
Date: Sat Mar 22 2003 - 17:43:40 GMT-3
1. permit smtp connection
2. permit if ack or reset are set
ie the packets are return traffic of an "established" connection
----- Original Message -----
From: "Fan Shan" <shanf@public.jn.sd.cn>
To: <ccielab@groupstudy.com>
Sent: Saturday, March 22, 2003 12:28 PM
Subject: Access-list question
> What is the difference between "permit tcp any eq smtp any " and
"permit tcp any eq smtp any established"?
> which one should be used to permit the smtp response?
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