Caching reverse lookups...

[Barry Margolin]

In article <dvn5vf$hcq$1 at sf1.isc.org>,
 "Cihan Subasi \(Garanti Teknoloji\)" <CihanS at garanti.com.tr> wrote:

> Reporting tools such as WebTrends does a lots of reverse lookups to
> crerate reports, and that eats almost my whole memory on the DNS
> servers. Is there a way look to prevent BIND not to cache reverse
> lookups for all or some users using an ACL if possible.

No, there's no caching filter in BIND.  If it looks something up it will 
cache it.

> I have solaris 2.9 with 9.3.2 running with 512 memory and every morning
> my 512M is full with the reverse lookups done by WebTrends server...

Maybe you should use a dedicated server just for handling the WebTrends 
lookups.  Then when WebTrends is done you could just restart the named 
process to zap the cache.

-- 
Barry Margolin, barmar at alum.mit.edu
Arlington, MA
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