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Help with logging and HTTP Filtering - ISA 2004 ---- Windows 2003 Server

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Help with logging and HTTP Filtering - ISA 2004 ---- Wi... - 28.Jan.2005 5:01:00 PM   
lmacke

 

Posts: 14
Joined: 31.Oct.2003
Status: offline
We are in the process of creating HTTP Security Filter policies for our current and new applications. We need to figure out the required methods, extensions, headers, and other signatures that are specific to our applications.

Right now we are in the process of working to get an application up and running with ISA 2004. We have run into a problem where the website works periodically and fails periodically.

In order to troubleshoot this further I made a change in logging to allow filter information to be displayed. This got me to the point where we now showing detail in the errors, specifically "Blocked by the HTTP Security filter: URL contains an extension which is not specifically allowed". This information is helpful, but not nearly enough. We need to know exactly which extension or extensions are being blocked.

I would like to know if there is a way within ISA 2004 to see what specific extension or extensions are being blocked. We have spent an enormous amount of time and effort trying to figure this out on our own.

In the long run this is going to be a significant need. We are not only going to need to see which particular extensions are being blocked, but we will need to know what methods are needed, what headers are needed, and what signatures are missing. I truly hope there is a way to do this within ISA.

Please help! Thanks, Lisa
Post #: 1
RE: Help with logging and HTTP Filtering - ISA 2004 ---... - 4.Feb.2005 6:17:00 PM   
dinodod

 

Posts: 100
Joined: 1.Oct.2004
Status: offline
I am not sure how ISA is causing you such an issue. Perhaps you can explain a little more how your ISA is setup. Is there a set of sites that you can simply exclude or is it more broad?

What applications are giving your the fits? If you are running the firewall, have you setup the correct ports to allow traffic?

[ February 04, 2005, 06:18 PM: Message edited by: dinodod ]

(in reply to lmacke)
Post #: 2

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