On Apr 14 2009, Jonathan Petersson wrote:

I was reading up on TSIG signed zone-transfers and gave it a try in my
lab this morning, successfully. However what I noticed (which makes
sense based on my config) is that any host with the appropriate key is
allowed to perform a zone-transfer.

Is there any way to limit the zone-transfer to require both key and
known IP using allow-transfer?

Yup. Use

 allow-transfer { !{!11.22.33.44}; key secret-key; };

Now sit down with a cold, cold drink and puzzle out why that works!

--
Chris Thompson
Email: c...@cam.ac.uk

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