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Troubleshooting time-out error when browsing

 

Issue:

After installing BitDefender for ISA Server, the client browsers receive time-out errors.


Solution:

To avoid browser timeouts, enable the Browser Comforting option.

Open the MMC console, go to Configuration, then Application Filters and double-click HTTP Filter to configure the time-out interval and the number of bytes sent during this interval.

If the Browser Comforting option is enabled and a file is downloaded, small parts of the file will be received by the client before the file is completely scanned. If the file is clean all remaining parts are sent to the client. When a virus is detected the connection is closed immediately and no virus alert appears in the browser. The small parts of the file might contain the virus in a non-active state and the file appears as an incomplete download. The client is required to delete these parts.

If the Browser Comforting option is enabled, the transfer rate on the client computer might show fluctuations that do not reflect the actual traffic flow. At the beginning of the download the traffic showed by the browser will be very low (a few bytes/min) but different from 0 in order to avoid time-out. After the whole object is downloaded and scanned by BitDefender, it will be transferred to the client computer and it will determine a very high transfer rate.




Software Applications:
BitDefender Security for ISA Servers

Operating systems:
Windows 2000, Windows 2003, Windows NT

Solution ID: 173 Created on 05 Apr 2005 07:08
Language: English Modified on 05 Oct 2007 11:39


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