Re: which port for nsupdate?

2011-05-09 Thread /dev/rob0
On Mon, May 09, 2011 at 02:37:04PM +0800, Jeff Pang wrote:
> which port is used by BIND for nsupdate?
> Is tcp port 53 or 953 on localhost?

At least two wrong assumptions are in this question.

Excerpt from nsupdate(8) man page:
   "By default, nsupdate  uses UDP to send update requests to the 
name server unless they are too large to fit in a UDP request
in which case TCP will be used."

So, it's UDP. The other assumption is "... on localhost". Your other 
excerpt:
   "server  {servername} [port]

Sends all dynamic update requests to the name server servername. 
When no server statement is provided, nsupdate will send updates 
to the master server of the correct zone. The MNAME field of
that zone's SOA record will identify the master server for that
zone."
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Re: which port for nsupdate?

2011-05-09 Thread Stephane Bortzmeyer
On Mon, May 09, 2011 at 02:37:04PM +0800,
 Jeff Pang  wrote 
 a message of 14 lines which said:

> which port is used by BIND for nsupdate?

53 by default, the standard port. nsupdate is for Dynamic Update,
which uses the regular DNS protocol (unlike rndc which uses a BIND
proprietary protocol).

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Re: which port for nsupdate?

2011-05-09 Thread Mark Andrews

In message , Jeff Pang writ
es:
> Hello,
> 
> which port is used by BIND for nsupdate?
> Is tcp port 53 or 953 on localhost?

Port 53.
 
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1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742 INTERNET: ma...@isc.org
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which port for nsupdate?

2011-05-08 Thread Jeff Pang
Hello,

which port is used by BIND for nsupdate?
Is tcp port 53 or 953 on localhost?

Thanks.

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Jeff Pang
www.DNSbed.com
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