RE: Block Web access for non-Web Proxy clients

  • From: "Thomas W Shinder" <tshinder@xxxxxxxxxxx>
  • To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
  • Date: Tue, 5 Apr 2005 14:23:44 -0500

Hi Dan,

You bet. And to carry it one step futher, you could add the FTP control
channel port to the Protocol Definition and force all FTP connections
through the Web proxy :) 


Tom
www.isaserver.org/shinder
Tom and Deb Shinder's Configuring ISA Server 2004
http://tinyurl.com/3xqb7
MVP -- ISA Firewalls


-----Original Message-----
From: Ball, Dan [mailto:DBall@xxxxxxxxxxx] 
Sent: Tuesday, April 05, 2005 2:18 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: Block Web access for non-Web Proxy clients

http://www.ISAserver.org

True, you should be able to add that port into the protocol definition
created in your instructions also.  Glad you pointed that out, forgot
about that, all they'd have to do is switch to https (if that site
supported it) instead of http and it would go through after all...

-----Original Message-----
From: Thomas W Shinder [mailto:tshinder@xxxxxxxxxxx] 
Sent: Tuesday, April 05, 2005 13:34
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: Block Web access for non-Web Proxy clients

http://www.ISAserver.org

Hi Roy,

The users will still be able to disable the Web proxy settings. They
just won't be able to get to any resources requiring outbound access TCP
80, and I assume we can do the same thing with TCP 443, since the same
principles apply. 


Tom
www.isaserver.org/shinder
Tom and Deb Shinder's Configuring ISA Server 2004
http://tinyurl.com/3xqb7
MVP -- ISA Firewalls

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