A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : Repeated Authentication in IKEv2
Author(s) : Y. Nir
Filename : draft-nir-ikev2-auth-lt-00.txt
Pages : 3
Date : 2004-5-12
With some IPsec peers, particularly in the remote access scenario, it
is desirable to repeat the mutual authentication periodically.
The purpose of this is to limit the time an IKE SA can be used by a
third party who has gained control of the IPsec peer. This is not the
same as IKE SA rekeying.
At the end of the IKE_AUTH negotiation, the Responder sends a
notification to the Initiator with the number of seconds before the
authentication needs to be repeated. The Initiator will repeat the
Initial exchange before that time is expired.
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