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Cisco Router and Security Device Manager Version 2.2 Users Guide
OL-4015-08
Glossary
X
X.509 A digital certificate standard, specifying certificate structure. Main fields are ID,
subject field, validity dates, public key, and CA signature.
X.509 certificate A digital certificate that is structured according to the X.509 guidelines.
X.509 certificate
revocation list (CRL)
A list of certificate numbers that have been revoked. An X.509 CRL is one that
meets either of the two CRL formatting definitions in X.509.
XAuth IKE Extended Authentication. Xauth allows all Cisco IOS software AAA
authentication methods to perform user authentication in a separate phase after
the IKE authentication phase 1 exchange. The AAA configuration list-name
must match the Xauth configuration list-name for user authentication to occur.
Xauth is an extension to IKE, and does not replace IKE authentication.