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Kerberos is a network authentication protocol developed at the Massachusetts Institute of Technology. The Kerberos protocol uses encrypted ”tickets” with client credentials and establishes transitive domain trusts.
It authenticates a user’s identity (in the someone@somewhere.com format) and securely delivers user credentials in a ”ticket.”
Kerberos policy is set on the Windows domain controller running Active Directory in your domain under Administrative Policy.
Kerberos policy can also run on Linux running OpenLDAP.
