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Add support for using an unspecified RR type

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Add PRIVATE query type with id 65399 (private use range).
According to RFC3597 the reply data in a query with unspecified RR type must be handled
as unstructured binary data, which means it can contain raw packet data just like the NULL type.
Since the reply format is optimal it is ordered just after NULL in the priority order.
This commit is contained in:
Erik Ekman
2014-06-09 20:05:29 +02:00
parent 2466cd184a
commit 3ebcd29b13
9 changed files with 44 additions and 28 deletions
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6
man/iodine.8
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@@ -169,6 +169,7 @@ more bandwidth.
In that case, use this option to override the autodetection.
In (expected) decreasing bandwidth order, the supported DNS request types are:
.IR NULL ,
.IR PRIVATE ,
.IR TXT ,
.IR SRV ,
.IR MX ,
@@ -183,7 +184,10 @@ and
.I A
may/will cause additional lookups by "smart" caching
nameservers to get an actual IP address, which may either slow down or fail
completely.
completely. The
.IR PRIVATE
type uses value 65399 (in the 'private use' range) and requires servers
implementing RFC 3597.
.TP
.B -O downenc
Force downstream encoding type for all query type responses except NULL.