Re: [Asterisk-Users] DNS SRV records

2004-06-03 Thread Olle E. Johansson
Duane wrote:
Olle E. Johansson wrote:
If you do not enable SRV records, you can't phone me. There's no
SIP proxy on edvina.net ;-)

Exactly my point, by ***DEFAULT*** Asterisk won't use SRV records, even 
if it did, it doesn't support SRV correctly (as you pointed out), and 
using an A record is advantageous at this point in time as they 
***WILL*** work without expecting any type of config to be turned on...

In any case, SRV's point to A records...
And my point is, if you want to use SIP outside of your LAN environment, enable 
SRV lookups.
If you are only using SIP to connect local SIP phones on your LAN, disabling SRV 
lookups
is fine.
/O
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[Asterisk-Users] DNS SRV records

2004-06-02 Thread Andrew Thompson
My DNS gui(Cpanel/WHM) only allows the following options for entry type:

A6

CNAME
MX
NS
PTR
TXT
WRK

Does anyone know if any of these options are acceptable substitutes for an
SRV record, or do I need to put in a ticket to have a SRV record
specifically created for me?

-
Andrew Thompson
http://aktzero.com/ 


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Re: [Asterisk-Users] DNS SRV records

2004-06-02 Thread Stephen Rosebush
I have the same problem, I have a domain name but I do not want to pay 
for DNS services... I kept on trying to find a place where I can get SRV 
records from but none of the free DNS services provide them. I've tried 
ZoneEdit, DNS Park, etc. I've seen one which there might be a 
possibility, www.granitecanyon.com.. though they do not offer mail 
forwarding.

Andrew Thompson wrote:
My DNS gui(Cpanel/WHM) only allows the following options for entry type:
A6

CNAME
MX
NS
PTR
TXT
WRK
Does anyone know if any of these options are acceptable substitutes for an
SRV record, or do I need to put in a ticket to have a SRV record
specifically created for me?
-
Andrew Thompson
http://aktzero.com/ 

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Re: [Asterisk-Users] DNS SRV records

2004-06-02 Thread Duane
Andrew Thompson wrote:
Does anyone know if any of these options are acceptable substitutes for an
SRV record, or do I need to put in a ticket to have a SRV record
specifically created for me?
As with email you technically don't need MX records, an A record will 
also work fine. I'm pretty sure (long day can't be bothered checking) 
Asterisk won't even do SRV lookups by default as it's commented out in 
the default config... In other words you'd be better off with an A record...

--
Best regards,
 Duane
http://www.cacert.org - Free Security Certificates
http://www.nodedb.com - Think globally, network locally
http://www.sydneywireless.com - Telecommunications Freedom
http://happysnapper.com.au - Sell your photos over the net!
http://e164.org - Using Enum.164 to interconnect asterisk servers
In the confrontation between the stream and the rock, the
stream always wins; not through strength, but through persistence.
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Re: [Asterisk-Users] DNS SRV records

2004-06-02 Thread Fran Boon
On Wed, 2004-06-02 at 13:40, Andrew Thompson wrote:
 My DNS gui(Cpanel/WHM) only allows the following options for entry type:
 A6
 
 CNAME
 MX
 NS
 PTR
 TXT
 WRK
 Does anyone know if any of these options are acceptable substitutes for an
 SRV record, or do I need to put in a ticket to have a SRV record
 specifically created for me?

Sorry, really needs to be SRV :/

F

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Re: [Asterisk-Users] DNS SRV records

2004-06-02 Thread Walt Reed
On Wed, Jun 02, 2004 at 03:14:58PM +0200, Stephen Rosebush said:
 I have the same problem, I have a domain name but I do not want to pay 
 for DNS services... I kept on trying to find a place where I can get SRV 
 records from but none of the free DNS services provide them. I've tried 
 ZoneEdit, DNS Park, etc. I've seen one which there might be a 
 possibility, www.granitecanyon.com.. though they do not offer mail 
 forwarding.

Setup your own master that you manage, and have zoneedit slave. They
support this.
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RE: [Asterisk-Users] DNS SRV records

2004-06-02 Thread Chris Bond
www.xname.org =)

-Original Message-
From: Stephen Rosebush [mailto:[EMAIL PROTECTED] 
Sent: 02 June 2004 2:15 PM
To: [EMAIL PROTECTED]
Subject: Re: [Asterisk-Users] DNS SRV records

I have the same problem, I have a domain name but I do not want to pay 
for DNS services... I kept on trying to find a place where I can get SRV 
records from but none of the free DNS services provide them. I've tried 
ZoneEdit, DNS Park, etc. I've seen one which there might be a 
possibility, www.granitecanyon.com.. though they do not offer mail 
forwarding.

Andrew Thompson wrote:

My DNS gui(Cpanel/WHM) only allows the following options for entry type:

A6

CNAME
MX
NS
PTR
TXT
WRK

Does anyone know if any of these options are acceptable substitutes for an
SRV record, or do I need to put in a ticket to have a SRV record
specifically created for me?

-
Andrew Thompson
http://aktzero.com/ 


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Re: [Asterisk-Users] DNS SRV records

2004-06-02 Thread John Fraizer
Duane wrote:
Andrew Thompson wrote:
Does anyone know if any of these options are acceptable substitutes 
for an
SRV record, or do I need to put in a ticket to have a SRV record
specifically created for me?

As with email you technically don't need MX records, an A record will 
also work fine. I'm pretty sure (long day can't be bothered checking) 
Asterisk won't even do SRV lookups by default as it's commented out in 
the default config... In other words you'd be better off with an A 
record...

Spoken like a true n00b13.
You can *sometimes* get away with not having MX records.  You can 
*sometimes* get away with not having SVR records.  Both record types 
exist for a reason though.

John
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Re: [Asterisk-Users] DNS SRV records

2004-06-02 Thread Duane
John Fraizer wrote:
Spoken like a true n00b13.
If the current SIP bug isn't annoying enough to push people away from 
asterisk you just have to chip in your 2 cents worth to push things that 
little bit more...

You can *sometimes* get away with not having MX records.  You can 
*sometimes* get away with not having SVR records.  Both record types 
exist for a reason though.
Oh so that's why SRV lookups are commented out in the default asterisk 
config, so you can't get anything?

sip://[EMAIL PROTECTED] works perfectly well... Before you berate 
others indescriminately remove your foot from your mouth next time so 
you don't look like as big of an ass next time...

--
Best regards,
 Duane
http://www.cacert.org - Free Security Certificates
http://www.nodedb.com - Think globally, network locally
http://www.sydneywireless.com - Telecommunications Freedom
http://happysnapper.com.au - Sell your photos over the net!
http://e164.org - Using Enum.164 to interconnect asterisk servers
In the confrontation between the stream and the rock, the
stream always wins; not through strength, but through persistence.
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Re: [Asterisk-Users] DNS SRV records

2004-06-02 Thread Olle E. Johansson
sip://[EMAIL PROTECTED] works perfectly well... 

There are many benefits in stability when you use SRV records to find a
SIP proxy. However this requires that you have some sort of load balancing
between the servers.
It was a long time ago anyone mailed [EMAIL PROTECTED] Let's hope
we can prove the benefits of using SRV records for finding SIP servers
so that
* One Asterisk can serve many domains
* Two asterisks can serve the same domain, sharing registration databases
* Asterisk when calling, can try the second or third server in DNS SRV if
  the first one fails to answer
We are not there yet. Working on it :-)
But there are a lot of reasons to turn on DNS srv lookup in sip.conf if
you allow outbound dialling on URL or use it in your dial plan.
If you do not enable SRV records, you can't phone me. There's no
SIP proxy on edvina.net ;-)
(And there's no mail server on edvina.net neither. Wish all those spammers
tried mailing that instead of reading mx records... )
I don't know if anyone sees being able to phone me as a required feature,
but anyway.
/O
Ps. See http://www.voip-info.org/wiki-dns%20srv
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Re: [Asterisk-Users] DNS SRV records

2004-06-02 Thread John Fraizer
Duane wrote:
John Fraizer wrote:
Spoken like a true n00b13.

If the current SIP bug isn't annoying enough to push people away from 
asterisk you just have to chip in your 2 cents worth to push things that 
little bit more...

You can *sometimes* get away with not having MX records.  You can 
*sometimes* get away with not having SVR records.  Both record types 
exist for a reason though.

Oh so that's why SRV lookups are commented out in the default asterisk 
config, so you can't get anything?

sip://[EMAIL PROTECTED] works perfectly well... Before you berate 
others indescriminately remove your foot from your mouth next time so 
you don't look like as big of an ass next time...

OK Son,
Since you decided to keep this on the list, I will too.
MX and SRV records are used to determine the appropriate handler(s) for:
domain.name
qualified.domain.name
fully.qualified.domain.name
more.fully.qualified.domain.name
even.more.fully.qualified.domain.name
For example, if you had the following in the DNS zone for domain.name:
$ORIGIN NAME.
DOMAIN  IN  NS  your.name.server.
IN  NS  your.other.name.server.
IN  A   10.1.1.1
IN  MX  10 your.mail.exchanger.
IN  MX  20 your.other.mail.exchanger.
IN  SOA your.name.server. dnsadmin.your.domain.(
200403059
10800
3600
604800
300
)
$ORIGIN DOMAIN.NAME.
_sip._udp   SRV 10  10   5060   1.your.sipproxy.domain.name.
_sip._udp   SRV 10  20   5060   2.your.sipproxy.domain.name.
_sip._udp   SRV 20  10   5060   3.your.sipproxy.domain.name.
1.your.sipproxy IN  A   192.168.1.1
2.your.sipproxy IN  A   192.168.1.2
3.your.sipproxy IN  A   192.168.1.3

Email to [EMAIL PROTECTED] would be processed by your.mail.exchanger and 
not sent to domain.name at it's A record.  The same goes for email to 
[EMAIL PROTECTED]  In the event that 
your.mail.exchanger was down, mail would be handled by 
your.other.mail.exchanger.

The purpose of the MX record is to be able to point the SMTP service 
responsibility at a host OTHER than the FQDN that is being referenced in 
the email.

The same works for SRV records.  In the above example, if someone dialed 
the URL [EMAIL PROTECTED], the SIP INVITE would first be sent to either 
1.your.sipproxy.domain.name at 192.168.1.1 or 
2.your.sipproxy.domain.name at 192.168.1.2 (with the first one getting 
the larger percentage of use based on its weight entry) and not to 
domain.name at 10.1.1.1.  If a sipproxy can't be reached at 192.168.1.1 
or 192.168.1.3, the SIP INVITE will be sent to 
2.your.sipproxy.domain.name at 192.168.1.3 based on it's priority as a 
backup to the first two entries.

These records exist so that services can be hosted on machines OTHER 
than the machine that matches domain.name.  They also allow for fail 
over in the event of failure of a server or service.

It also allows you to point a service at a machine or group of machines 
without having to give every person a new email address or SIP URL to use.

Next benefit: Say you have big-fat-server.your.domain.name and every 
person on the planet uses [EMAIL PROTECTED] as your 
email address and SIP URL.  Now, you decide that you want to split the 
tasks of email and SIP proxy off of big-fat-server.your.domain.name 
and on to their own dedicated servers.

With MX and SRV records, this is a matter if simply updating the record 
appropriate record.  Without those records, you now have to tell people 
that to send you email, they have to use 
[EMAIL PROTECTED] and to call you over VOIP, 
they have to use [EMAIL PROTECTED].  Kinda 
hokey... Huh.  That's why we have MX records and SRV records.  With 
these records set up properly, people can both email and call you over 
VOIP at the same place, [EMAIL PROTECTED].  Hrm.  That seems a bunch 
easier than remembering what the name to your mailserver and/or sipproxy 
are, doesn't it.

So, decide for yourself folks.  Do you want to do it the n00b1e way or 
do you want to do it right the first time and be done with it?

Now.  On the matter of who made an ass of them self, I think you should 
take a close look in the mirror because it was most certainly not I.

--
John not a n00b13 Fraizer
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Re: [Asterisk-Users] DNS SRV records

2004-06-02 Thread Duane
Olle E. Johansson wrote:
If you do not enable SRV records, you can't phone me. There's no
SIP proxy on edvina.net ;-)
Exactly my point, by ***DEFAULT*** Asterisk won't use SRV records, even 
if it did, it doesn't support SRV correctly (as you pointed out), and 
using an A record is advantageous at this point in time as they 
***WILL*** work without expecting any type of config to be turned on...

In any case, SRV's point to A records...
--
Best regards,
 Duane
http://www.cacert.org - Free Security Certificates
http://www.nodedb.com - Think globally, network locally
http://www.sydneywireless.com - Telecommunications Freedom
http://happysnapper.com.au - Sell your photos over the net!
http://e164.org - Using Enum.164 to interconnect asterisk servers
In the confrontation between the stream and the rock, the
stream always wins; not through strength, but through persistence.
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RE: [Asterisk-Users] DNS SRV records

2004-06-02 Thread Aaron J. Angel
John Fraizer wrote:

 MX and SRV records are used to determine the appropriate 
 handler(s) for:
 
 domain.name
 qualified.domain.name
 fully.qualified.domain.name
 more.fully.qualified.domain.name
 even.more.fully.qualified.domain.name
 
 For example, if you had the following in the DNS zone for 
 domain.name:
 
...and...
 
 Email to [EMAIL PROTECTED] would be processed by 
 your.mail.exchanger and not sent to domain.name at it's A 
 record.  The same goes for email to 
 [EMAIL PROTECTED]  In the event that 
 your.mail.exchanger was down, mail would be handled by 
 your.other.mail.exchanger.

Am I way behind the times or is this precisely *not* how MX and SRV records
work?  A domain is a domain.  A subdomain is just a fancier term for a
domain within another domain, and hence not treated differently.  Last I
checked, failing to have an MX record for the host.com domain did not result
in a search for an MX record defined for com when sending mail to
[EMAIL PROTECTED]

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RE: [Asterisk-Users] DNS SRV records

2004-06-02 Thread Kevin Walsh
Duane [EMAIL PROTECTED] wrote:
 John Fraizer wrote:
 
 Blah blah blah crap crap crap...
 
 I know what a SRV record is, and until they start making it work
 correctly in Asterisk A records will be what I tell people to use, well
 unless you want them to use SER which I am told does handle SRV
 properly... 
 
  Now.  On the matter of who made an ass of them self, I think you should
  take a close look in the mirror because it was most certainly not I.
 
 sip://[EMAIL PROTECTED]
 
 oh wait no SRV record on that, only an A record... Oh my what's the
 world coming to, all hell is going to break loose, crawl back into the
 hole you came out of you loud mouth fool...

Not being one to stay out of an argument, here's what I do. :-)

I publish [EMAIL PROTECTED] as my SIP address and also have
[EMAIL PROTECTED] available via a SRV record.  The voip host serves
two purposes:

1. The voip host alias (well, an A record actually) can point
   to any server I like, so I can move Asterisk from one server
   to another without having to publish a new SIP address.

2. The voip part makes it (reasonably) clear that it's a SIP
   address and not an email address.  (I know that one address
   can be used for both, before someone points that out.)  Perhaps
   sip.cursor.biz would be clearer but I just prefer voip;  It's
   less specific, so can be used to cover IAX too.

I do have SRV records, but I don't publish SIP addresses using domains
based upon them.  Perhaps I will one day.

-- 
   _/   _/  _/_/_/_/  _/_/  _/_/_/  _/_/
  _/_/_/   _/_/  _/_/_/_/_/  _/   K e v i n   W a l s h
 _/ _/_/  _/ _/ _/_/  _/_/[EMAIL PROTECTED]
_/   _/  _/_/_/_/  _/_/_/_/  _/_/

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RE: [Asterisk-Users] DNS SRV records

2004-06-02 Thread Ed Guy

 sip://[EMAIL PROTECTED]

There were SRV records on fwd.pulver.com about a year ago,  but
there was something in the configuration that caused 7960s to
constantly reboot. Got lots of PSTN calls that day!

The SRV records do exist on other fwd domains, e.g.,
_sip._udp.freeworlddialup.com
and will again probably find their way back to fwd.pulver.com.

Cheers,
Ed Guy

*

http://www.pulver.com/developers/




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Re: [Asterisk-Users] DNS SRV records

2004-06-02 Thread Duane
Ed Guy wrote:
There were SRV records on fwd.pulver.com about a year ago,  but
there was something in the configuration that caused 7960s to
constantly reboot. Got lots of PSTN calls that day!
This is the crux of the argument, devices and software (ie asterisk) 
that don't support, or don't support properly/fully the use of SRV 
records... I know of MTA software that doesn't properly support MX 
records as well, they try to send it to the A record then fall back to 
MX or something weird like that, but unlike SIP this is the minority not 
the majority...

The SRV records do exist on other fwd domains, e.g.,
_sip._udp.freeworlddialup.com
and will again probably find their way back to fwd.pulver.com.
This may be so, however I've always seen it written as 
[EMAIL PROTECTED] I always wondered why even on freeworlddialup.com 
it wasn't written as [EMAIL PROTECTED]

--
Best regards,
 Duane
http://www.cacert.org - Free Security Certificates
http://www.nodedb.com - Think globally, network locally
http://www.sydneywireless.com - Telecommunications Freedom
http://happysnapper.com.au - Sell your photos over the net!
http://e164.org - Using Enum.164 to interconnect asterisk servers
In the confrontation between the stream and the rock, the
stream always wins; not through strength, but through persistence.
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