Hi Alexander,

"Stale nonce" is not an error actually - it means the nonce is no more valid . This may happen because:
    - it is expired
    - it was reused by UAC for more than one auth

If OpenSIPS detects such a case, it sends a new challenge with a new nonce (and state indicator) - the UAC must simply re-authenticate with no problem

Regards,

Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com

On 29.05.2014 13:34, Alexander Mustafin wrote:
Hello!

I’ve many problems with registered user. Their registrations periodically failed with error: «Stale nonce».
Why this happens? Buggy clients (I use Linksys and Cisco adapters)?

What I need to do? If I increase this time, or disable check_nonce - is this very dangerous?

Now, I’m use default value: modparam("auth", "nonce_expire", 30).

Best regards,
Alexander Mustafin
[email protected] <mailto:[email protected]>






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