On Feb 22 2013, Mark Andrews wrote:
I can well imagine a machine doing a reverse lookup on a proposed
address and not proceeding with that address if it doesn't get a
NXDOMAIN.
NODATA -> unsafe
NXDOMAIN -> may be safe
So when I do a reverse lookup of 255.255.255.255 or ::0, and BIND
gives me a "NODATA" response from its automatic empty zones that
cover just those specific addresses and no others, then it is
being "unsafe"?
--
Chris Thompson University of Cambridge Computing Service,
Email: [email protected] New Museums Site, Cambridge CB2 3QH,
Phone: +44 1223 334715 United Kingdom.
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