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RE: Daemon Recovery



How are we going to trust these messages, if ISAKMP has lost its states?

On Wednesday, October 08, 1997 7:19 PM, Matt Thomas
[SMTP:matt.thomas@altavista-software.com] wrote:
> At 04:11 PM 10/8/97 -0700, Derrell Piper wrote:
> >>It's worth having the functionality but it's not required to have
> >>two different messages.  Use the DOI already present in the notify
> >>message to define the scope of what SA's should be nuked.  If the
> >>system rebooted and lost all SA's, send two notify's -- one for the
> >>ISAKMP DOI and one for the Internet DOI.
> >
> >Ah, I see the confusion.  There isn't a separate DOI for ISAKMP.  You say
> >that the message is directed at an ISAKMP SA if the message ID field (back
> >in the generic ISAKMP header) is zero.
> >
> >I'm going to leave it a single message for now, with the assumption being
> >that this is being sent because the host rebooted and lost all state.
> >That's the problem we're most concerned with.
> 
> Not me.  I'm more concerned with restarting my isakmp daemon (which won't
> affect my IPsec SAs since they will kernel resident and will survive the
> death of isakmpd).
> 
> Then make the notification message data contain 1 to N protocol values
> (one per octet) indicating for what protocol what SAs must be nuked.  
> With that you can specify ISAKMP (or AH or ESP or IPCOMP or ...).
> -- 
> Matt Thomas                    Internet:
matt.thomas@altavista-software.com
> Internet Locksmith             WWW URL:    <coming eventually>
> AltaVista Internet Software    Disclaimer: This message reflects my own
> Littleton, MA                              warped views, etc.


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