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Q: DNS ( Answered,   1 Comment )
Question  
Subject: DNS
Category: Computers
Asked by: sea2see-ga
List Price: $2.50
Posted: 07 Aug 2002 15:59 PDT
Expires: 06 Sep 2002 15:59 PDT
Question ID: 51943
How to set up a dns entry for a win2000 srv record for instant
messageing on a unix platform running bind 8.2?
Answer  
Subject: Re: DNS
Answered By: paulbeard-ga on 07 Aug 2002 20:16 PDT
 
SRV records seem to be an evolving standard and are intended to
replace the old A records. This means there's lots of information, but
not many examples.

On this page (http://www.menandmice.com/online_docs_and_faq/glossary/glossarytoc.htm?srv.record.htm)I
found this information:

    SRV Record: Also known as a Service record. An SRV record is
intended to provide information on available services. A SRV record
has four fields and a unique system for naming. The naming system is
an underscore followed by the name of the service, followed by a
period, and underscore, and then the protocol, another dot, and then
the name of the domain. The four fields are.

    1. Priority, just a in MX records

    2. Weight, used to determine relative capacity between to SRV
fields with the priority. Hits will be assigned proportionately by
weight, allowing a powerful and a weak server to share appropriate
loads.

    3. Port, the port of the service offered

    4. Hostname

    For Example

    _http._tcp.example.com. SRV 10 5 80. www.example.com

That's useful background information, and here's the authoritative
view from Microsoft:

http://support.microsoft.com/default.aspx?scid=KB;EN-US;q232025&

Using this as my query
(://www.google.com/search?q=draft-ietf-dnsext-rfc2782bis-00.txt&hl=en&lr=&ie=UTF-8&oe=UTF-8&safe=off)

I came up with this example. You'll need to decide if you want to use
UDP or TCP as your transport and of course fill in the correct names
for your host(s) and domain.

_im_sip._[udp|tcp].yournamehere.com. SRV 10 5 5060.
servername.yournamehere.com

The general syntax is: 

        _Service._Proto.Domain TTL Class SRV Priority Weight Port
Target

Clarification of Answer by paulbeard-ga on 14 Apr 2003 22:30 PDT
I have been away from this for awhile and didn't see your request for
clarification.

I'm not sure what you mean when you say that DNS is automatically
created for you. If I had to guess, it sounds more like a DNS address
assignment via DHCP which has the appearance of being automatic, but
that just means some adminstrator has done their job.

In short, I'm not sure in what context you need this information. can
you supply an example of how you want to use a SRV record?
Comments  
Subject: Re: DNS
From: sapphiresays-ga on 07 Aug 2002 16:45 PDT
 
What?

clarify... use MORE details.

thanks
(request for Clarification, cause DNS is normally automatically
created for you upon connection to the Unix system)

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