I haven't done a full review, but want to. Please answer this first: The
terminology document seems to contain both easy and hard-to-come-by
definitions. Without knowing what to filter, I keep getting a large
vocabulary of DNS phrases to propose but I don't know if they belong in
this terminology document. Is any DNS phrase acceptable?
Examples:
* DNS indirection (a phrase also used in the infamous iDNS
attack.. lookup of name leads to lookup of nameserver's address
nsname1/A, which leads to lookup of another nameserver's address
nsname2/A), etc.
* Cache (explanation of what a cache is, what it contains, how long the
cache may be expected to store data, whether it is strongly coupled to
authoritative data, etc.)
* Chain-of-trust (in DNSSEC)
* Owner name (of RRs)
* Truncated message (I feel it's important to describe it and what
happens due to it, as it's a commonly seen occurrence)
* DNS continuation (e.g., the sequence of AXFR messages)
* Inline signing
* Stub zones (it's a feature available from multiple implementations,
but not clearly explained in most documentation)
* DNS class (what is it good for? :)
* Notification
* DNSSEC lookaside validation (though ISC's DLV service is "off", the
protocol itself is not)
* Kaminsky attack (why not mention this phrase that's used to identify a
DNS poisoning attack?)
* DNS cookie
* Key rollover
* Wire format
* DNS64
* RPZ
* RRL
* Prefetching
I'll be happy to contribute definitions if you select any phrases to
include. And also more DNS terms if it's clear what can be included.
----
Some comments:
* Negative response - shouldn't this also include "name doesn't exist"
NXDOMAIN?)
* Reverse lookup - is it worth mentioning PTR here?
* Occluded name - This is not limited to DNS UPDATE and introduction of
DNAME. It _can_ also occur via regular zone loading process, if the
parser allows non-address "glue" (the wider use). I think it isn't
strictly specified that such occluded records should be rejected
during zone load.
Mukund
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