Re: MSN Messenger using HTTP
- From: "Mario Videira" <videira@xxxxxxxxxx>
- To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
- Date: Thu, 9 May 2002 17:01:04 +0100
Dear Carson,
I have tried, bu it did not solve the problem, would you explain me, how can
i block one port, for example port number 80, using ISA SERVER?
Bye
---------------------------------------------------------
Mário Videira
Networking and Systems Engineer
BNA - Luanda
Email: videira@xxxxxxxxxx
Phone Number : (244)92 312469
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----- Original Message -----
From: "Carson Reid" <creid@xxxxxxxxxxxxxxx>
To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
Sent: Wednesday, May 08, 2002 6:16 PM
Subject: [isalist] Re: MSN Messenger using HTTP
http://www.ISAserver.org
Deleting a protocol definition would not do anything unless it has an
associated Protocol rule. It does not matter what you block with protocol
rules and packet filters except http port 80. Messenger just uses http and
the proxy service if it cannot use it's own protocol.
I have now solved my problem by banning ("*.msgr.hotmail.com" /*)this is the
DNS name that messenger uses to connect.
Thanks to everyone for your ideas,
Carson Reid
-----Original Message-----
From: Mike Mo [mailto:MMo@xxxxxxx]
Sent: Wednesday, May 08, 2002 11:31 AM
To: [ISAserver.org Discussion List]
Subject: [isalist] Re: MSN Messenger using HTTP
http://www.ISAserver.org
if you are not gonna to allow MSN messenger in whole network, try delete MSN
protocol definition if it is defined by yourself.
Or in Protocol Rules, disenable Allow All, and allow only those you want to
Or Allow "All IP Traffic except selected" to exclude MSN Message.
Remember after change the rules, you need stop and start firewall and web
proxy services to enable the changes.
-----Original Message-----
From: Randy Seibert [mailto:rseibert@xxxxxxxxxxxxxxxxx]
Sent: Tuesday, May 07, 2002 11:19 AM
To: [ISAserver.org Discussion List]
Subject: [isalist] Re: MSN Messenger using HTTP
http://www.ISAserver.org
Wow..We had about 4 users here that abused the crap out of messenger I used
the default rule that comes with ISA and blocked *.msn.com and I even tried
all methods to connect myself with no success.
-Randy
----- Original Message -----
From: "Carson Reid" <creid@xxxxxxxxxxxxxxx>
To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
Sent: Tuesday, May 07, 2002 10:12 AM
Subject: [isalist] Re: MSN Messenger using HTTP
http://www.ISAserver.org
Tried that, it did not solve the problem =)
Carson Reid, MCSE,MCSA,A+
Network Administrator
Herzing College Winnipeg Campus
LEARN.EARN.WIN.
PHONE: 204.775.8175
FAX: 204.783.8107
Creid@xxxxxxxxxxxxxxx
-----Original Message-----
From: Randy Seibert [mailto:rseibert@xxxxxxxxxxxxxxxxx]
Sent: Tuesday, May 07, 2002 10:06 AM
To: [ISAserver.org Discussion List]
Subject: [isalist] Re: MSN Messenger using HTTP
http://www.ISAserver.org
Block *.msn.com
----- Original Message -----
From: "Carson Reid" <creid@xxxxxxxxxxxxxxx>
To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
Sent: Tuesday, May 07, 2002 9:56 AM
Subject: [isalist] MSN Messenger using HTTP
http://www.ISAserver.org
Hello everyone,
So, I've used the predefined protocol definitions to block MSN
messenger, but my clients still get through. I create packet filters to
block the ports that messenger uses and my clients still get through. I
check the messenger connection status and it says that it is using HTTP
to communicate. My clients can even transfer files via HTTP with
messenger. If anyone knows how to block this, please let me know.
Carson Reid, MCSE,MCSA,A+
Network Administrator
Herzing College Winnipeg Campus
LEARN.EARN.WIN.
PHONE: 204.775.8175
FAX: 204.783.8107
Creid@xxxxxxxxxxxxxxx
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