This topic provides an overview of Web access authentication in Forefront TMG. For detailed information and the most up-to-date documentation, please see the Forefront TMG TechNet Library (

Forefront TMG enables you to request internal users to authenticate before they are allowed to access the Internet.

You can use one of the following methods to specify that authentication is required for Web access requests:

If authentication is not required, internal users can access the Internet without identifying themselves.

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