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  2. FIX: An application that uses port 443 to connect to a remote web server no longer works after HTTPSi is enabled in a Forefront Threat Management Gateway 2010 environment

FIX: An application that uses port 443 to connect to a remote web server no longer works after HTTPSi is enabled in a Forefront Threat Management Gateway 2010 environment

View products that this article applies to.

Symptoms

You run an application that uses port 443 to connect to a remote web server in a Microsoft Forefront Threat Management Gateway 2010 environment. After you enable HTTPS inspection (HTTPSi), the application no longer functions.

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Cause

This problem occurs because HTTPSi always performs a secure socket layer (SSL) handshake to the destination web server even if the web server is not running SSL.

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Resolution

To resolve this problem, install the service pack that is described in the following Microsoft Knowledge Base article:
2555840 Microsoft Forefront Threat Management Gateway (TMG) 2010 Service Pack 2
Note After you install Service Pack 2, you can exclude the web servers from the inspection by adding them to the HTTPSi destination exclusion list.

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Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

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References

For more information about HTTPS inspection, visit the following Microsoft TechNet website:
Configuring HTTPS inspection
For more information about how to exclude the web servers, visit the following Microsoft TechNet website:
Excluding sources and destinations from HTTPS inspection
For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates

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Keywords: kbnotautohotfix, kbfix, kbbug, kbexpertiseinter, kbsurveynew, kb

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Article Info
Article ID : 2619991
Revision : 1
Created on : 1/7/2017
Published on : 10/17/2011
Exists online : False
Views : 405