RE: SV: access-list: syn vs. www syn

From: John Matus (john_matus@hotmail.com)
Date: Tue Sep 13 2005 - 13:25:50 GMT-3


ok, i'll have to plead ignorance as well as sickness <flu>....
so the syn packet is the beginning of the 3 way handshake to establish a
connection so the first would be anything trying to establish a tcp
connection, i.e. telnet, and the second only matches an establishment of a
www session?

>From: "Jens Petter Eikeland" <jenseike@start.no>
>Reply-To: "Jens Petter Eikeland" <jenseike@start.no>
>To: "'John Matus'" <john_matus@hotmail.com>, <ccielab@groupstudy.com>
>Subject: SV: access-list: syn vs. www syn
>Date: Tue, 13 Sep 2005 06:31:10 +0200
>
>Fist match any tcp syn packet
>Second match any tcp port 80 syn packet..
>
>Jens P
>
>-----Opprinnelig melding-----
>Fra: nobody@groupstudy.com [mailto:nobody@groupstudy.com] Pe vegne av John
>Matus
>Sendt: 13. september 2005 00:17
>Til: ccielab@groupstudy.com
>Emne: access-list: syn vs. www syn
>
>what is the difference between:
>
>Terminal>(config)#access-list 101 permit tcp any any syn
>Terminal>(config)#access-list 102 permit tcp any any eq www syn
>
>TIA
>
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