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Microsoft® Office Communications Server 2007 Resource Kit by Microsoft OCS Team, Stephanie Lindsey, Rick Kingslan, Mitch Tulloch, Kintan Brahmbhatt, John Clarkson, James O'Neil, Hao Yan, Byron Spurlock, Jochen Kunert, Rui Maximo, Jeremy Buch

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Understanding Authentication in Office Communications Server 2007

Authentication is the process of determining if someone is in fact who he says he is. There are several different types of authentication technologies. For example, in computer networks, typically authentication is done by the use of logon passwords. However, passwords can be stolen or accidentally revealed. For this reason, there is a more stringent authentication process. For example, digital certificates issued and verified by a certificate authority (CA) as part of a public key infrastructure (PKI) provides stronger authentication on the Internet.

The following sections discuss in more detail authentication technologies—such as Transport Layer Security (TLS), certificates, NTLM ...

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