message compression and BIND
Mark.Andrews at nominum.com
Mark.Andrews at nominum.com
Wed Jan 10 20:15:17 UTC 2001
>
> Hi
>
> I'm using BIND8.2.2p7.
>
> Message compression (RFC 1035 Ch 4.1.4)
> =============clip=====================
> In order to reduce the size of messages, the domain system utilizes a
> compression scheme which eliminates the repetition of domain names in a
> message. In this scheme, an entire domain name or a list of labels at
> the end of a domain name is replaced with a pointer to a prior occurance
> of the same name.
> =============EOF-clip=====================
>
> I have tcp client which is able to send 'A' type queries
> and 'AXFR'(zone transfer).
>
> And i have noticed the message compression only in responses for A type
> queries
> not in response for 'AXFR' query.
>
> Is this the desired behaviour of BIND8.2.2p7?
Have you told named to do it. See transfer-format.
>
>
> rgds
> minnam
>
>
--
Mark Andrews, Nominum Inc.
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742 INTERNET: Mark.Andrews at nominum.com
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