sending notifies from slave server
DBotham at OptimusSolutions.com
Wed Oct 6 17:15:20 UTC 2004
bind-users-bounce at isc.org wrote on 10/06/2004 11:46:29 AM:
> >>>>> "David" == David Botham <DBotham at OptimusSolutions.com> writes:
> David> By default named will send notifies to all name servers
> David> listed in the NS RR set for a given zone, except for the
> David> name server listed in the dname field of the SOA RR,
> David> regardless of whether named loaded the zone as a master or
> David> slave. This behavior is driven by RFC 1996.
> David> You probably don't want the slave(s) sending the notify.
Perhaps I should have worded this as:
If you don't want the slave(s) sending the notify.
> Nope. Switching this off can be harmful. Suppose Slave A has lost
> connectivity to the master server but could have received a NOTIFY and
> done a zone transfer from Slave B. Would it be better for A to hand
> out stale data for the zone or retrieve an up-to-date version from B?
> Leaving NOTIFY switched on -- BIND's default behaviour -- is harmless.
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