[Spce-user] Troubleshooting an asterisk server that keeps losing registration.

Kalen Krueger kalen at npinfo.com
Sat Nov 1 11:11:52 EDT 2014


Matthew, how did you come to the conclusion that it was a stale nonce?    I would like to compare what I'm seeing in our asterisk boxes.

>>>> On 01/27/2014 04:35 PM, Matthew Ogden wrote:
>>>>> Did you guys end up making a decision on this? I still have Asterisk
>>>>> subscribers causing auth fail with stale nonce situations.

-----Original Message-----
From: Daniel Grotti [mailto:dgrotti at sipwise.com] 
Sent: Saturday, November 1, 2014 2:56 AM
To: Matthew Ogden
Cc: spce-user at lists.sipwise.com; Kalen Krueger
Subject: RE: [Spce-user] Troubleshooting an asterisk server that keeps losing registration.

Thanks Metthew!
Didn't remember that :)

Daniel

On 1 Nov 2014 10:51, Matthew Ogden <matthew at tenacit.net> wrote:
>
> Hi Danel & Kalen
>
> Is this not the same issue I had? Mine was because it's using a stale 
> nonce - which NGCP rejects. Basically if you send to many 401s or 407s 
> the LB will ban it with a 403.
> So we were seeing a lot of asterisk boxes give up (and ours was an 
> appliance that cannot retry automatically after 403)
>
> You can stop spce from blocking stale nonce registrations.  See this thread: 
> http://lists.sipwise.com/pipermail/spce-user/2014-January/005712.html
>
> Daniel's suggestion was to add the P-NGCP-Stale header in the proxy, 
> and then make the LB only do a 401 if it wasn't present.
>
> It saved me from a LOT of headaches. 
>
> Thanks again! 
>
>
> -----Original Message-----
> From: Spce-user [mailto:spce-user-bounces at lists.sipwise.com] On Behalf 
> Of Daniel Grotti
> Sent: 01 November 2014 10:57 AM
> To: Kalen Krueger
> Cc: spce-user at lists.sipwise.com
> Subject: Re: [Spce-user] Troubleshooting an asterisk server that keeps 
> losing registration.
>
> Mmm...yes this is well know issue of asterisk. 
> But spce should send 403 only when a user is blocked. 
> Don't get the scenario when PBX get 403 during a normal registration. 
>
> In the worst case you can change the 403 reply on spce. But only of 
> you really need. This is an asterisk issue.
>
> Daniel
>
> On 1 Nov 2014 09:12, Kalen Krueger <kalen at npinfo.com> wrote: 
> > 
> > Upon further review it appears that we’re getting this error out of 
> > the blue….
> > 
> > 
> > 
> > 
> > 
> > Then based on the “Forbidden” (I’m assuming 403 error), it stops 
> > trying until we force it to.
> > 
> > 
> > 
> > I’ve added the new option available in the PBX configuration to see 
> > if this helps, but I’m just wondering why this would happen out of the blue?
> > 
> > 
> > 
> > register_retry_403=yes
> > 
> > ; Treat 403 responses to registrations as if they were
> > 
> >                               ; 401 responses and continue retrying  
> >according to normal
> > 
> >                               ; retry rules. 
> > 
> > 
> > 
> > Kalen Krueger
> > Technical and Project Manager
> > NP Information Systems
> > www.npinfo.com
> > 
> > kalen at npinfo.com
> > desk:  (253) 479-1321
> > office: (253) 852-1543
> > mobile: (206) 963-1309
> > 
> > 
> > 
> > 
> > 
> > 
> > 
> > From: Spce-user [mailto:spce-user-bounces at lists.sipwise.com] On 
> > Behalf Of Kalen Krueger
> > Sent: Friday, October 31, 2014 4:00 PM
> > To: spce-user at lists.sipwise.com
> > Subject: [Spce-user] Troubleshooting an asterisk server that keeps 
> > losing registration.
> > 
> > 
> > 
> > We’ve got one particular PBX we’re having a problem with.     At 
> > seemingly random intervals sip:wise thinks it’s lost registration, 
> > while the PBX still thinks it’s registered.  Therefore sip:wise 
> > forwards the calls to the caller wave have listed in “Call Forward Unavailable”.
> > 
> > 
> > 
> > We’ve been working on this for several weeks… trying different 
> > things… and I need to reach out for some guidance.   What 
> > information can provide to the community that would helpful?
> > 
> > 
> > 
> > We’re running mr3.4.2 and the subscriber is FreePBX 2.11.0.37. 
> > 
> > 
> > 
> > Here’s a screenshot (some info scrubbed) of our trunk setup in 
> > FreePBX, and the registration in sip:wise… in case we have something 
> > obviously wrong.    I’m happy to collect tsharks, etc. to assist…. 
> > Just feel at this point like I’m running in circles.
> > 
> > 
> > 
> > Thanks ahead of time for any guidance. 
> > 
> > 
> > 
> > 
> > 
> > Kalen Krueger
> > Technical and Project Manager
> > NP Information Systems
> > www.npinfo.com
> > 
> > kalen at npinfo.com
> > desk:  (253) 479-1321
> > office: (253) 852-1543
> > mobile: (206) 963-1309
> > 
> > 
> > 
> > 
> > 
> > 
> > 
> > 
> > 
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