I still don't understand why this implies the need for regular changes as opposed to changes triggered by personnel changes.
-Ekr On Thu, Jan 21, 2010 at 10:03 AM, Paul Wouters <p...@xelerance.com> wrote: > On Thu, 21 Jan 2010, Edward Lewis wrote: > >> If I were to fit this into the text below... >> >> #<t> >> # The motivation for having the KSK's effectivity period >> # longer than the ZSK's effectivity period is rooted in the >> # operational consideration that a change in the KSK involves >> # interaction with an external entity, usually the parent zone >> # or possibly a trust anchor repository, and this interaction >> # is anticipated to have significant latency (including the >> # need to verify the other party has made the necessary change. >> #</t> > > Maybe make it more explicit that an intra-organisation key change can > and probably should happen frequently, where-as an inter-organisational > key change, because it involves other organisations, is more difficult > and should be kept to a minimum? > > Again, think of a zone administrator who had access to a private ZSK > leaving your organisation. It would be a good security policy to rollover > the ZSK as part of the procedure of revoking this person's access to > the organisation. And a good reason to have an HSM so you do not need > to do the same with the KSK. > > Paul > _______________________________________________ > DNSOP mailing list > DNSOP@ietf.org > https://www.ietf.org/mailman/listinfo/dnsop > _______________________________________________ DNSOP mailing list DNSOP@ietf.org https://www.ietf.org/mailman/listinfo/dnsop