RE: how to block web messenger services



Good morning.

How about a DNS entry? The end users would have to set a static route or
add a line to their hosts file to get around it.

Hosts:
127.0.0.1 urlinquestion.com

Route:
Network Destination Netmask Gateway Interface
http.ip.of.chat 255.255.255.255 1.2.3.4 127.0.0.1

Modify as needed.

Nick Vaernhoej
"Quidquid latine dictum sit, altum sonatur."


-----Original Message-----
From: listbounce@xxxxxxxxxxxxxxxxx [mailto:listbounce@xxxxxxxxxxxxxxxxx]
On Behalf Of nawalmiftahi@xxxxxxxxx
Sent: Tuesday, March 20, 2007 6:26 AM
To: security-basics@xxxxxxxxxxxxxxxxx
Subject: how to block web messenger services

Hi all ,
i am a security admin,yahoo messenger and other chat services are
blocked on our network, but we can access them thru web(ebuddy) , i
wanted to know how can we make sure that these chat services (yahoo
messenger, icq, msn messeger ) cannot be accessed through web as well ,
i mean how to block them.
thanks

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Thank you.



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