RE: [fw-wiz] AS2 security protocol

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To: "Malte von dem Hagen" <DocValde@gmx.de>, "'Firewall Wizards ML'" <firewall-wizards@honor.icsalabs.com>
Date: Thu, 31 Jul 2003 17:29:39 -0400

Malte,

You should be able to utilize existing HTTP filtering functions because AS2
uses HTTP as a "carrier" and most of the "header" data is passed as HTTP
headers. If you have to scrutinize the "payload" you will have other
challenges because the data is "usually" encrypted.

Dick Brooks
B2B Integration and Cyber Security Consultant
http://www.tech-comm.com/dbc
Mobile:602-684-1484
eFax:240-352-0714

-----Original Message-----
From: firewall-wizards-admin@honor.icsalabs.com
[mailto:firewall-wizards-admin@honor.icsalabs.com]On Behalf Of Malte von
dem Hagen
Sent: Thursday, July 31, 2003 1:13 PM
To: 'Firewall Wizards ML'
Subject: [fw-wiz] AS2 security protocol

Hi there,

has anyone of you experiences in firewalling th AS2 protocol?
It seems to be a protocol to securely exchange documents via http.
Nothing special if you use packet filters, but how about proxies and
things like the Cisco PIX "fixup"-feature?

>From my knowledge and understanding i would say "no problem, since it
only regards the payload", but some other opinions would be helpful.

TIA && regards,

Malte.

--
Malte von dem Hagen
DocValde@gmx.de
http://www.docvalde.net/
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