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Spring Security 3 by Peter Mularien

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A primer on Kerberos and SPNEGO authentication

Kerberos is a mutual authentication protocol used for authenticating clients—either individual users or network resources—against a centralized credentials repository known as the key distribution center (KDC). The negotiation between the client and KDC is quite involved, and well documented in several internet standards (primarily RFC 4120, The Kerberos Network Authentication Service (V5), available at http://tools.ietf.org/html/rfc4120).

For the purposes of the discussion in this chapter, we will simplify the level of detail with which we describe the credential checking activity as it relates to the Kerberos infrastructure. The general purpose of Kerberos authentication and Kerberos infrastructure ...

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