On Jan 19, 2006, at 3:55 AM, Gerald Wilson wrote:
Further probing reveals that the MacDNS server is getting a Type 12
(reverse lookup?) query, just before it crashes, for this bizarre
address:
"1.0.0.127.dnsbugtest"
Quite why a 10.4.4 client is sending out such a query using the
localhost name is beyond me. I speculate that someone has
inadvertently left some debugging code in 10.4.4 release, and that
this code has something to do with making Tiger's dns work equally
well on bigendian and littleendian (intel) machines, and somehow my
vintage Mac is receiving dns queries it shouldn't be getting which
fry it's little 68030 brain.
DNS shouldn't care about *endian issues, or rather, since there have
ALWAYS been *endian issues it shouldn't matter as DNS long ago was
fixed to deal with this and there's likely no reason for Apple to be
screwing with the TCP/IP stack at this point in OSX'es development, I
would think.
(Though far be it from me to claim understanding of why Apple does
what it does)
Of course, a DNS server, however old, should be immune to malformed
data. Equally, however, I somehow think that a new OS release ought
not to be sending out queries for a host called
"1.0.0.127.dnsbugtest". Something strange here.
I'd do a packet capture on the network see which system is doing
this. Google offers up nothing on this in a search, which if this
were a widely reported issue, I think it would have.
--
Bruce Johnson
This is the sig who says 'Ni!'
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