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Update documentation for DNS "Z" field

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According to RFC 2535, RFC 3655, and RFC 4035, the Z field has been
partitioned into three 1-bit fields.  Therefore, we cannot claim in
the documentation that it always has the value zero.
This commit is contained in:
Daniel Thayer 2016-01-12 15:45:06 -06:00
parent c1d7337a73
commit 3550a2b2d3
1 changed files with 1 additions and 1 deletions
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2
scripts/base/protocols/dns/main.bro
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@ -52,7 +52,7 @@ export {
## The Recursion Available bit in a response message indicates
## that the name server supports recursive queries.
RA: bool &log &default=F;
## A reserved field that is currently supposed to be zero in all
## A reserved field that is usually zero in
## queries and responses.
Z: count &log &default=0;
## The set of resource descriptions in the query answer.