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Unread 10-06-2007, 10:28 PM   #1
green
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Default voxalot.com STUN server is unreachable

It seems that voxalot's STUN server is unreachable. That's fine for most SIP UAs which have an option to configure STUN manually. But if you want to rely on DNS - no way

Code:
$ nslookup
> set type=SRV
> _stun._udp.voxalot.com
Server:         192.168.5.1
Address:        192.168.5.1#53

Non-authoritative answer:
_stun._udp.voxalot.com  service = 10 100 3478 stun.voxalot.com.

Authoritative answers can be found from:
voxalot.com     nameserver = ns2.voxalot.com.
voxalot.com     nameserver = ns1.voxalot.com.
stun.voxalot.com        internet address = 202.60.88.239

----------------

$ traceroute 202.60.88.239
...
...
22  unknown.Level3.net (64.152.102.62)  234.531 ms  233.737 ms  231.873 ms
23  po4-0.cr1.syd1.asianetcom.net (202.147.50.158)  391.914 ms  391.767 ms  392.205 ms
24  po13-1.gw2.syd1.asianetcom.net (202.147.40.130)  384.094 ms  383.756 ms  387.212 ms
25  Pacific-Internet.gw2.syd1.asianetcom.net (203.192.166.150)  392.236 ms  391.398 ms  521.680 ms
26  pos2-0-0.switch1.bne.pacific.net.au (210.23.140.186)  407.643 ms  409.759 ms  408.485 ms
27  * * *
28  * * *
29  * * *
30  * * *

Last edited by green; 10-06-2007 at 10:30 PM. Reason: typo :(
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Unread 10-06-2007, 11:26 PM   #2
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Did you try stun.voxalot.com.au ?
This one is definitely working on my ATA.

I do not believe that there is one at stun.voxalot.com though the website could probably be a bit clearer about this.

Hope this helps ....

Last edited by kurun; 10-06-2007 at 11:29 PM.
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Unread 10-06-2007, 11:33 PM   #3
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Quote:
Originally Posted by kurun View Post
Did you try stun.voxalot.com.au ?
What for? I'm talking about specific problem with the server provided by DNS.

This is not about the user who can't use specific STUN. This is about the invalid server reported by DNS.

Quote:
I do not believe that there is one at stun.voxalot.com though the website could probably be a bit clearer about this.
You don't even have to believe Just follow the procedure I described and query DNS yourself.

Last edited by green; 10-06-2007 at 11:35 PM.
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Unread 10-07-2007, 05:47 AM   #4
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stun.voxalot.com and stub.voxalot.com.au both point to 202.60.88.239 and is definitely reachable.
.
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Unread 10-07-2007, 08:28 AM   #5
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Code:
C:\>tracert 202.60.88.239

Tracing route to 202.60.88.239 over a maximum of 30 hops
...
 22   234 ms   233 ms   233 ms  unknown.Level3.net [64.152.102.62]
 23   391 ms   389 ms   390 ms  po4-0.cr1.syd1.asianetcom.net [202.147.50.158]
 24   385 ms   386 ms   386 ms  po13-1.gw2.syd1.asianetcom.net [202.147.40.130]

 25   391 ms   391 ms   391 ms  Pacific-Internet.gw2.syd1.asianetcom.net [203.192.166.150]
 26   442 ms   407 ms   409 ms  pos2-0-0.switch1.bne.pacific.net.au [210.23.140.186]
 27  g1-hs.core-bne.servers.net.au [203.143.242.154]  reports: Destination net unreachable.

Trace complete.
Code:
C:\TEMP>stun-client-0-96 202.60.88.239
STUN client version 0.96
Primary: Blocked or could not reach STUN server
Return value is 0x00001c
Please comment.
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Unread 10-07-2007, 08:43 AM   #6
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Not sure the same traceroute reports fine from the U.S and AU:

Code:
14  61.88.171.198 (61.88.171.198)  237.021 ms  236.947 ms  236.620 ms
15  210.23.140.254 (210.23.140.254)  250.960 ms  251.715 ms  251.561 ms
16  g1-hs.core-bne.servers.net.au (203.143.242.154)  252.592 ms  253.732 ms  252.923 ms
17  202.60.88.239 (202.60.88.239)  256.448 ms  256.511 ms  256.967 ms
Last hop is also the same. Interested to see other peoples experience?
.
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Unread 10-07-2007, 08:55 AM   #7
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A traceroute from DNS tools, reports and Hosting tests, advanced network and domain name tools. also reached its destination:

Code:
1	12	*	*	0.6 ms 	
 	 
	74.53.59.130 AS0
IANA-RSVD-0	 82.3b.354a.static.theplanet.com.	 	255	US	Unix: 8:53:59.948
2	0	*	*	0.6 ms [+0ms]	
 	 
	12.96.160.42 AS21844
THEPLANET-AS	 vl2.dsr02.dllstx2.theplanet.com.	 0 miles [+0] 	254	US	Unix: 8:53:59.817
3	0	*	*	0.7 ms [+0ms]	
 	 
	70.87.253.121 AS21844
THEPLANET-AS	 79.fd.5746.static.theplanet.com.	 0 miles [+0] 	253	US	Unix: 8:54:00. 72
4	0	*	*	0.7 ms [+0ms]	
 	 
	70.87.253.29 AS21844
THEPLANET-AS	 et5-2.ibr04.dllstx3.theplanet.com.	 0 miles [+0] 	61	US	[Router did not respond]
5	0	*	*	0.7 ms [+0ms]	
 	 
	64.208.170.197 AS3549
GBLX	 gigabitethernet7-3.ar2.dal2.gblx.net.	 0 miles [+0] 	251	US	Unix: 8:54:00.233
6	46	*	*	46 ms [+46ms]	
 	 
	208.178.63.190 AS3549
GBLX	 asia-netcom-corporation.ge-5-0-0.ar1.lax2.gblx.net.	 0 miles [+0] 	244	US	Unix: 8:54:00.316
7	202	*	*	202 ms [+156ms]	
 	 
	202.147.40.137 AS10026
ANC	 gi3-0.cr1.syd1.asianetcom.net.	 0 miles [+0] 	245	JP	Unix: 8:54:00.613
8	203	*	*	202 ms [+0ms]	
 	 
	202.147.40.126 AS10026
ANC	 po12-2.gw2.syd1.asianetcom.net.	 0 miles [+0] 	243	JP	Unix: 8:54:00.646
9	202	*	*	202 ms [+0ms]	
 	 
	203.192.166.150 AS10026
ANC	 pacific-internet.gw2.syd1.asianetcom.net.	 0 miles [+0] 	246	JP	Unix: 8:54:00.677
10	218	*	*	217 ms [+14ms]	
 	 
	210.23.140.186 AS7543
PI-AU	 pos2-0-0.switch1.bne.pacific.net.au.	 0 miles [+0] 	246	SG	Unix: 8:54:00.765
11	217	*	*	217 ms [+0ms]	
 	 
	203.143.242.154 AS7543
PI-AU	 g1-hs.core-bne.servers.net.au.	 -1 miles [+0] 0 miles [+0] 	246	AU	Unix: 4:47:19.318
12	232	*	*	232 ms [+15ms]	
 	 
	202.60.88.239 AS0
IANA-RSVD-0	 
[Reached Destination]stun.voxalot.com [No PTR]	 	55	AU	Unix: 8:54:00.891
.
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Unread 10-07-2007, 09:18 AM   #8
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Code:
1	*				
2	ge-1-9-ur02.tacoma.wa.seattle.comcast.net (68.86.177.185)	9.47	10.30	9.89	
3	te-7-4-ar01.seattle.wa.seattle.comcast.net (68.86.96.29)	11.99	11.99	11.99	2.10
4	12.86.1.13	13.23	15.24	14.29	2.30
5	12.127.6.185	35.67	40.95	38.66	24.37
6	tbr2.sffca.ip.att.net (12.122.12.113)	32.60	34.19	33.36	-5.30
7	12.122.80.41	33.45	43.97	37.82	4.46
8	12.126.40.26	33.87	35.05	34.59	-3.22
9	po4-0.cr1.syd1.asianetcom.net (202.147.50.158)	189.74	201.66	193.72	159.13
10	po13-2.gw2.syd1.asianetcom.net (202.147.40.134)	187.98	190.08	188.90	-4.82
11	Pacific-Internet.gw2.syd1.asianetcom.net (203.192.166.150)	190.27	191.05	190.76	1.86
12	pos2-0-0.switch1.bne.pacific.net.au (210.23.140.186)	204.79	211.81	208.77	18.01
13	g1-hs.core-bne.servers.net.au (203.143.242.154)	209.07	210.63	209.77	1.00
14	202.60.88.239	209.37	210.33	209.82	0.05
Looks fine here.
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Unread 10-07-2007, 11:08 PM   #9
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Fine here too on my Aussie People Telecom connection which sometimes tends to have the odd routing issue. I can't get to some ipkall pages for instance, but my Exetel connection gets there fine.
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Unread 10-08-2007, 04:29 PM   #10
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It seems that one of our networks (/14) is filtered there:

Code:
$ ping 202.60.88.239
PING 202.60.88.239 (202.60.88.239) 56(84) bytes of data.
From 203.143.242.154 icmp_seq=10 Packet filtered From 203.143.242.154 icmp_seq=21 Packet filtered
203.143.242.154 is g1-hs.core-bne.servers.net.au
If anybody from Admins is willing to help please let me know. Thanks.

Last edited by green; 10-08-2007 at 05:59 PM.
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