cache dns server use tcp to query other dns server
Alex Tang
alextang at cms.hkcable.com
Fri Jan 6 03:30:55 UTC 2006
or if my cache dns server cannot get answer from other dns server by udp , will my cache dns server change to use tcp to query the no answered other dns server ?
-----Original Message-----
From: Mark_Andrews at isc.org [mailto:Mark_Andrews at isc.org]
Sent: Friday, January 06, 2006 9:52 AM
To: Alex Tang
Cc: bind-users at isc.org
Subject: Re: cache dns server use tcp to query other dns server
> Hi Everybody
>
> Would you know why a cache dns server use a lot of tcp connection ( about 10
> ) to query other dns server ?
>
> Please help
> thx
Because the answers are too big to fit into a UDP response.
--
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742 INTERNET: Mark_Andrews at isc.org
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