Block Mozilla, Opera , Safari etc from accessing internet
Hi All, I am looking for a solution by which I can block web browser (except Internet Explorer) from accessing internet or even from running. Let me explain the scenario: 1. I have few workstation (WinXPs) under domain. 2. I need to restrict users from using Mozilla Firefox, They are suppose to use IE only. 3. Mozilla has got a Portable version, which does not require installation, Its a single exe which runs on its own. (As its an exe, I can not restrict it through Group Policy because then my other applications will get affected) Ref: http://sourceforge.net/projects/portableapps/files/Mozilla%20Firefox%2C%20Portable%20Ed./Mozilla%20Firefox%2C%20Portable%20Edition%203.6.13/FirefoxPortable_3.6.13_English.paf.exe/download 4. I need to stop this portable mozilla. Please revert as I have done lot of googling, and tried all general ways (like local firewall, registry editing etc.) but none seem effective. Also, please note that: I was successfull blocking by ZoneAlarm, but some tecchi renamed the executable and Mozilla was running again. Plz help. Regards, NutanNutan Vishwakarma (IT Security Consultant)
April 26th, 2011 2:35pm

Nutan, There is always a way to bypass it :). The only thing what you can do is make it harder for the end user. Some options that you can use are: Look if the firefox executable is signed if this is the case create with applocker an publisher rule that denies the excution. If you have a advanced proxy server look if you can allow only the IE user agent (http://en.wikipedia.org/wiki/User_agent) You can create a Shim that blocks for applications where the company name is ... or where the product name is ... (http://www.msigeek.com/4823/creating-a-shimfix-using-compatibility-administrator) ... Kind Regards DFTIM me - TWiTTer: @DFTER
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April 26th, 2011 3:10pm

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