How to create an SRV record for the CSTA service

[King, Harold Clyde (Hal)]

I'm kinda stuck. I am tasked with creating an SRV record for the CSTA service. But I must be doing it wrong.

Here's what I thought it should be:
_csta_tcp.csta-example.com. 3600 IN SRV hostname.example.com.

Am I even close?



--
Hal King - ***@utk.edu
Systems Administrator
Office of Information Technology
Shared Systems Services

The University of Tennessee
103C5 Kingston Pike Building
2309 Kingston Pk. Knoxville, TN 37996
Phone : [phone]
Helpdesk 24/7 : 974-9900

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[King, Harold Clyde (Hal)]

There's a typo in my record. It's _csta._tcp.csta-example.com. 3600 IN SRV hostname.example.com.


--
Hal King - ***@utk.edu
Systems Administrator
Office of Information Technology
Shared Systems Services

The University of Tennessee
103C5 Kingston Pike Building
2309 Kingston Pk. Knoxville, TN 37996
Phone : [phone]
Helpdesk 24/7 : 974-9900

On 9/13/18, 11:39, "bind-users on behalf of King, Harold Clyde (Hal)" <bind-users-***@lists.isc.org on behalf of ***@utk.edu> wrote:

I'm kinda stuck. I am tasked with creating an SRV record for the CSTA service. But I must be doing it wrong.

Here's what I thought it should be:
_csta_tcp.csta-example.com. 3600 IN SRV hostname.example.com.

Am I even close?



--
Hal King - ***@utk.edu
Systems Administrator
Office of Information Technology
Shared Systems Services

The University of Tennessee
103C5 Kingston Pike Building
2309 Kingston Pk. Knoxville, TN 37996
Phone : [phone]
Helpdesk 24/7 : 974-9900

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[King, Harold Clyde (Hal)]

You have me dead to rights on that. I was trying to make an example and failed. Here's my record:
_csta._tcp.csta.example.com. 3600 IN SRV 20 0 1040 hostname.example.com


--
Hal King - ***@utk.edu
Systems Administrator
Office of Information Technology
Shared Systems Services

The University of Tennessee
103C5 Kingston Pike Building
2309 Kingston Pk. Knoxville, TN 37996
Phone : [phone]
Helpdesk 24/7 : 974-9900

On 9/13/18, 11:54, "Gary O'Brien" <***@secure64.com> wrote:

You're missing the priority weight and port.

_service._proto.name. TTL class SRV priority weight port target

Post by King, Harold Clyde (Hal)
There's a typo in my record. It's _csta._tcp.csta-example.com. 3600 IN SRV hostname.example.com.

--
Gary O'Brien
Secure64 Software Corporation
970.372.0009
***@secure64.com




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[Niall O'Reilly]

Post by King, Harold Clyde (Hal)
_csta._tcp.csta.example.com. 3600 IN SRV 20 0 1040 hostname.example.com

Instead of "hostname.example.com", you need "hostname.example.com.", with a trailing dot.

Niall O'Reilly

[King, Harold Clyde (Hal)]

OK I made mistakes. I’m sorry for wasting anyone's time, I really am.

I was trying to see if anyone had even made an SRV record for the CSTA service. My presentation of the dig example was a poor choice.


--
Hal King - ***@utk.edu
Systems Administrator
Office of Information Technology
Shared Systems Services

The University of Tennessee
103C5 Kingston Pike Building
2309 Kingston Pk. Knoxville, TN 37996
Phone : [phone]
Helpdesk 24/7 : 974-9900

Post by King, Harold Clyde (Hal)
_csta._tcp.csta.example.com. 3600 IN SRV 20 0 1040 hostname.example.com

so why don't you just send an unaltered record instead of 3 mails?

the first two ending with a dot but missing fields, the last one seems
to have all fields but the traling dot is missing

csta.example.com. is a subdomain "csta" below example.com
is that desired?

"hostname.example.com" instead "hostname.example.com." means
"hostname.example.com.example.com"

again: don't provide mangeled informations when you need help - frankly
the only obfusction you can make es replace your domain name and ONLY
that with example.com

the first is a working example from a microsoft SIP record and now
compare it to your real setup

_sipfederationtls._tcp 3600 IN SRV 1 100 5061 sipfed.online.lync.com.
_csta._tcp.csta.example.com. 3600 IN SRV 20 0 1040 hostname.example.com





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[Darcy, Kevin]

CSTA? Are you talking about the Unify Openscape Voice stuff? If so, then
that's a VoIP platform, the SRV records are used for SIP stuff. So the
service name is "sip" or "sips". You can't just make up service names, out
of thin air, for "dumb" devices that have service names baked into their
code -- you have to publish records with a service name that they are going
to be able to find.

Our SRV records for Openscape Voice look like, basically,

_sips._tcp.{sip-domain}. 3600 IN SRV 10 0 5061 {target}

and/or

_sip._udp.{sip-domain}. 3600 IN SRV 5 0 5060 {target}

I'm simplifying a bit here. Each of them has a primary (pref 5) and a
failover (pref 10).

The port numbers correspond to what IANA has published at
https://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.txt

sip 5060 tcp SIP

2014-04-09
[RFC3263]
sip 5060 udp SIP

2014-04-09
[RFC3263]
sip 5060 sctp SIP


[RFC4168]
sips 5061 tcp SIP-TLS

2014-04-09
[RFC3263]
sips 5061 udp SIP-TLS

2014-04-09
[RFC3263]
sips 5061 sctp SIP-TLS

Talk to your Voice folks for the values to plug in for {sip-domain} and
{target}, in each case.

-
Kevin

OK I made mistakes. I’m sorry for wasting anyone's time, I really am.
I was trying to see if anyone had even made an SRV record for the CSTA
service. My presentation of the dig example was a poor choice.
--
Systems Administrator
Office of Information Technology
Shared Systems Services
The University of Tennessee
103C5 Kingston Pike Building
2309 Kingston Pk. Knoxville, TN 37996
Phone : [phone]
Helpdesk 24/7 : 974-9900

Post by King, Harold Clyde (Hal)
You have me dead to rights on that. I was trying to make an example
_csta._tcp.csta.example.com. 3600 IN SRV 20 0 1040

hostname.example.com
so why don't you just send an unaltered record instead of 3 mails?
the first two ending with a dot but missing fields, the last one seems
to have all fields but the traling dot is missing
csta.example.com. is a subdomain "csta" below example.com
is that desired?
"hostname.example.com" instead "hostname.example.com." means
"hostname.example.com.example.com"
again: don't provide mangeled informations when you need help - frankly
the only obfusction you can make es replace your domain name and ONLY
that with example.com
the first is a working example from a microsoft SIP record and now
compare it to your real setup
_sipfederationtls._tcp 3600 IN SRV 1 100 5061
sipfed.online.lync.com.
_csta._tcp.csta.example.com. 3600 IN SRV 20 0 1040
hostname.example.com
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[John W. Blue]

Meh. Don’t sweat it .. everyone has goofed in some manner at sometime or another.

Besides, we are team BIND! We won't tell a-n-y-o-n-e.

;)

-----Original Message-----
From: bind-users [mailto:bind-users-***@lists.isc.org] On Behalf Of King, Harold Clyde (Hal)
Sent: Thursday, September 13, 2018 2:58 PM
To: Reindl Harald; Gary O'Brien; bind-users ISC
Subject: Re: How to create an SRV record for the CSTA service

OK I made mistakes. I’m sorry for wasting anyone's time, I really am.

I was trying to see if anyone had even made an SRV record for the CSTA service. My presentation of the dig example was a poor choice.


--
Hal King - ***@utk.edu
Systems Administrator
Office of Information Technology
Shared Systems Services

The University of Tennessee
103C5 Kingston Pike Building
2309 Kingston Pk. Knoxville, TN 37996
Phone : [phone]
Helpdesk 24/7 : 974-9900

Post by King, Harold Clyde (Hal)
_csta._tcp.csta.example.com. 3600 IN SRV 20 0 1040 hostname.example.com

so why don't you just send an unaltered record instead of 3 mails?

the first two ending with a dot but missing fields, the last one seems
to have all fields but the traling dot is missing

csta.example.com. is a subdomain "csta" below example.com
is that desired?

"hostname.example.com" instead "hostname.example.com." means
"hostname.example.com.example.com"

again: don't provide mangeled informations when you need help - frankly
the only obfusction you can make es replace your domain name and ONLY
that with example.com

the first is a working example from a microsoft SIP record and now
compare it to your real setup

_sipfederationtls._tcp 3600 IN SRV 1 100 5061 sipfed.online.lync.com.
_csta._tcp.csta.example.com. 3600 IN SRV 20 0 1040 hostname.example.com





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[Niall O'Reilly]

_csta_tcp.csta-example.com. 3600 IN SRV hostname.example.com.

The SRV record needs 4 data items; you've specified only one.

For an easy read: https://en.wikipedia.org/wiki/SRV_record

For something more formal: https://tools.ietf.org/html/rfc2782

Good luck!
Niall O'Reilly