[isalist] Re: For Blocking MSN Messenger File Transfers, TOM Said;
- From: Faraz Hassan Khan <f_hkhan@xxxxxxxxx>
- To: isalist@xxxxxxxxxxxxx
- Date: Tue, 28 Mar 2006 07:34:30 -0800 (PST)
hi Dr.
i am wondring, why HTTP Filtring not working, while i am adding new
signatures just as you told below, i even did the packet trace to see whether
the headers are still same, and those are same, but still my firewall clients
are able to send/recieve file through MSN Messenger...Now what could be the
possible cause???????
Thomas W Shinder <tshinder@xxxxxxxxxxx> wrote:
Header Content-Type:
Signature application/x-msnmsgrp2p
Request header.
and
Response header
Thomas W Shinder, M.D.
Site: www.isaserver.org
Blog: http://blogs.isaserver.org/shinder/
Book: http://tinyurl.com/3xqb7
MVP -- ISA Firewalls
---------------------------------
From: isalist-bounce@xxxxxxxxxxxxx [mailto:isalist-bounce@xxxxxxxxxxxxx] On
Behalf Of Faraz Hassan Khan
Sent: Wednesday, March 22, 2006 9:41 AM
To: isalist@xxxxxxxxxxxxx
Subject: [isalist] Re: For Blocking MSN Messenger File Transfers, TOM Said;
Well may be(I Think NOT)... But when you defined those signatures, what was
your search criteria while adding new signature?
Search in : ?
HTTP header : ?
Signature : ?
Thomas W Shinder <tshinder@xxxxxxxxxxx> wrote:
Maybe things have changed. Do a packet trace to see what headers are
being used now.
Thomas W Shinder, M.D.
Site: www.isaserver.org
Blog: http://blogs.isaserver.org/shinder/
Book: http://tinyurl.com/3xqb7
MVP -- ISA Firewalls
---------------------------------
From: isalist-bounce@xxxxxxxxxxxxx [mailto:isalist-bounce@xxxxxxxxxxxxx] On
Behalf Of Faraz Hassan Khan
Sent: Wednesday, March 22, 2006 9:27 AM
To: isalist@xxxxxxxxxxxxx
Subject: [isalist] For Blocking MSN Messenger File Transfers, TOM Said;
Hi EveryOne
For Blocking MSN Messenger File Transfers, TOM Said;
All you need to do is configure the HTTP Security Filter with a signature to
block the following Host Header:
/x-msnmsgrp2p
Now i have Access Rule(Allows Internal to external Only HTTP & HTTPS), while
adding a new signature, what should be the signature search criteria?
1.
Search in : Request headers
HTTP header : /x-msnmsgrp2p
Signature : MSN Messenger
2.Search in : Request URL
Signature : /x-msnmsgrp2p
3.
Search in : Request headers
HTTP header : /x-msnmsgrp2p
Signature : /x-msnmsgrp2p
I have checked all these combinations of signature search criterias, but NOT
WORKING!
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