DNS name pointer
kcd at daimlerchrysler.com
Tue Apr 25 22:41:21 UTC 2006
Rohit Tandon wrote:
>I was wondering if the NAME pointers that are used during compression
>of a DNS packet can actually point to another pointer within the DNS
>message. Is there any restriction that pointers should point to only
>NAME or part of a NAME?
Offhand, I don't see any explicit restriction on that in the RFCs, but
what would be the value of adding the extra level(s) of indirection? I
see only risks, since probably most DNS implementations wouldn't expect
it and might handle it badly, and no benefits.
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