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Kerberos
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Application Layer — Authentication
Protocol Overview
Full Name
Kerberos
Abbreviation
Kerberos
OSI Layer
Application Layer
Category
Authentication
Default Port
88
RFC
RFC 4120
About Kerberos
Network authentication protocol using tickets issued by a Key Distribution Center (KDC). Provides mutual authentication and single sign-on for enterprise environments. Core of Windows Active Directory.
Application Layer
Authentication
Port 88
Standards Reference
Kerberos is defined in RFC 4120, published by the Internet Engineering Task Force (IETF). RFCs are the official standards documents for internet protocols and are freely available for public review.