"stealth master" DNS Security

Alan Clegg Alan_Clegg at isc.org
Wed Mar 25 12:49:44 UTC 2009


Ram Akuka wrote:
> but encrypting the file system won't do the work here.
> i agree that storing the key and the encrypted data on the same
> machine is useless in security terms. that why i'm looking for a build
> in solution .
> is there's any way the slave server can save the zone in format
> diffent then clear text ?

TSIG does not "encrypt" the on-the-wire AXFR/IXFR data, and all of your
queries are being done "in the clear", so I think that you may be
over-engineering this part of the operation.

You may want to worry more about securing the box so that the attacker
can't get on in the first place.

AlanC

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