Article ID: 2608155 - View products that this article applies to.
Consider the following scenario:
Note This bug can also be observed by using an ISA server.
This problem occurs because TMG 2010 incorrectly doubles the size of a denied HTTP request in the web proxy logs.
To resolve this problem, install the service pack that is described in the following Microsoft Knowledge Base article:
(http://support.microsoft.com/kb/2555840/ )Microsoft Forefront Threat Management Gateway 2010 Service Pack 2
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
For more information about the Bytes Received web proxy log field, visit the following TechNet website:
Web proxy log fields
For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/824684/ )Description of the standard terminology that is used to describe Microsoft software updates