How to block google talk (gtalk) both web based and software based on cisco2911sec k9

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May 9th, 2010
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I want to block gtalk on my new cisco 2911 security enabled router.


What is the procedure for the same


Thanks in advance!


Regards,

Pankaj Parmar

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Jennifer Halim Sun, 05/09/2010 - 19:26
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Google talk uses TCP/5222 and TCP/443 to "talk.google.com".


You can just create ACL to block TCP/5222 and TCP/443 to and from "talk.google.com"

parmar.pankaj Mon, 05/10/2010 - 10:50
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It would be great if I get complete command to be run in to block gtalk.


Thanks!!!

esagastume002 Thu, 10/18/2012 - 16:50
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I have also the same problem, I am using  firmware

1.2.0.9


I was able to block a URL for a Specific IP, or IP range,

the problem was that it only worked on http (port 80), if the user change the site to https  (port 443) it overide the rule and provides the access to the site (of course the site can be access by https also)

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