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  2. FIX: String comparison may become case-sensitive when you publish a website by using Forefront Threat Management Gateway 2010

FIX: String comparison may become case-sensitive when you publish a website by using Forefront Threat Management Gateway 2010

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Symptoms

Consider the following scenario:
  • You publish a website by using Microsoft Forefront Threat Management Gateway (TMG) 2010.
  • You configure the Web Listener to use Forms Based Authentication (FBA) with Lightweight Directory Access Protocol (LDAP).
  • The LDAP Login Expression is configured to use multiple wildcard characters such as *@contoso*.

In this scenario, the LDAP Login Expression string comparison may become case-sensitive. Then, when a user provides a string such as user@Contoso.com, the string may not match the LDAP Login Expression.

Note This works as expected and is case-insensitive when only one wildcard character is used in the LDAP Login Expression.

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Cause

This problem occurs because the LDAP Login Expression code incorrectly uses case-sensitive string comparisons when multiple wildcard characters are used.

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Resolution

To resolve this issue, install the hotfix package that is described in the following Microsoft Knowledge Base article:
2649961 Rollup 1 for Forefront Threat Management Gateway (TMG) 2010 Service Pack 2

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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 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, kbexpertiseinter, kbbug, kbsurveynew, kbqfe, kbfix, kb

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Article Info
Article ID : 2654074
Revision : 1
Created on : 1/7/2017
Published on : 1/11/2012
Exists online : False
Views : 339