Dynamic record expiration
Kevin Darcy
kcd at daimlerchrysler.com
Thu Sep 13 00:12:51 UTC 2001
Mike Muzinich wrote:
> Checking the documentation, web-sites, and scanning this news group, I can't
> find any information on dynamic record expiration. Is there a way to setup
> BIND 9.X to expire dynamically defined records after a period of client
> in-activity; for example BIND poles the client every so often to ensure the
> client still exists and if it does not after x minutes/hours it removes it's
> records from the db files and the journal files.
That's not really a function of DNS, which is basically just a database.
You could, of course, write your own program which would do all of the pinging,
and remove the A record via Dynamic Update when the client has been inactive
for a certain amount of time.
- Kevin
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