Users Can Skip The Web Filter ... Please Help (Full Version)

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bhreg -> Users Can Skip The Web Filter ... Please Help (15.Nov.2009 8:33:12 AM)

Hellow all ,
I've Windows Server 2003 With ISA 2006 on the same PC

Some clients on network changing their browser's Proxy From "192.168.1.1" to another external proxy ...
so they can skip the filter on server and open any site ...

any way to prevent that ??
thanx a lot




paulo.oliveira -> RE: Users Can Skip The Web Filter ... Please Help (16.Nov.2009 8:18:45 AM)

Hi,

either block this site on ISA or prevent them to change proxy setting using GPO, for example.

Regards,
Paulo Oliveira.




ferrix -> RE: Users Can Skip The Web Filter ... Please Help (16.Nov.2009 2:51:48 PM)

The real problem is that you have your edge firewall configured to allow HTTP traffic from everywhere instead of just from ISA.  If you restrict access to ISA, then people HAVE to have the proxy settings correct or else they can't get out to the web.




bhreg -> RE: Users Can Skip The Web Filter ... Please Help (1.Dec.2009 4:41:30 AM)

Thanx a lot

Mr.ferrix ... pls do u can explain how to do that ... 




ferrix -> RE: Users Can Skip The Web Filter ... Please Help (1.Dec.2009 11:02:06 AM)

Explain how to change your edge firewall?  No, I don't know anything about your configuration or your organization's policies.  You should talk to your firewall administrator about the problem and tell them that you need to limit outbound HTTP/S access so it can only be allowed to originate from the ISA server.




Everet -> RE: Users Can Skip The Web Filter ... Please Help (14.Sep.2010 1:54:21 AM)

I suggest you try another web filter. As I know this porn filter is not bad. It has password protection, which can not be bypassed by using web proxies without password. You can  add unwanted websites to blacklist with this porn filter.




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