[asterisk-users] registration not authorized - stale nonce

[asterisk jobs]

We get the same error with this version.

On Sun, Jan 1, 2012 at 6:13 PM, Matt Hamilton <mistral9999 at hotmail.com>wrote:

>  I have a very basic setup where a UAC registers with Asterisk 1.8.7.2 -
> both on the same subnet, no nat.
>
> The following is the flow of messages:
> 1. UAC sends the registration request
> 2. Asterisk responds with 401 Unauthorized with a new nonce
> 3. UAC sends a new digest with the nonce received from Asterisk
> 4. Asterisk authorizes UAC and sends OK
>
> This works as expected when there is no load on the Asterisk server.
>
> For testing asterisk under load, I use Sipp (runnig at a server on the
> same subnet)  with a very basic scenario (call is placed, moh played, sipp
> hangs up after 20 secs). Max calls on the system at one time is 50.
>
> My problem happens when the above UAC tries to register while the Sipp
> test is running.
>
> Steps 1 and 2 above happen as expected, Asterisk sends a new nonce to the
> UAC, but at step 3, UAC sends the old digest (old nonce) back to Asterisk.
> Asterisk doesn't authorize the UAC with "Correct auth, but based on stale
> nonce" warning.
>
> UAC registration expiry is 60 seconds. As I mentioned, if the test is not
> running, everything seems to be OK. If I adjust the max calls to 10 in the
> test and reduce the load, the registrations go thru.
>
> Any ideas?
>
> Thanks,
> Matt
>
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