[asterisk-users] PJSIP to Twilio over TLS - wildcard cert problem

Antony Stone Antony.Stone at asterisk.open.source.it
Wed Dec 1 15:54:12 CST 2021

On Wednesday 01 December 2021 at 22:43:47, Kingsley Tart wrote:

> On Wed, 2021-12-01 at 21:49 +0100, Antony Stone wrote:
> > 
> > What is the exact "complaint"?

> [Nov 29 16:44:08] ERROR[25803] pjproject:           tlsc0x7f1c74246778 RFC
> 5922 (section 7.2) does not allow TLS wildcard certificates. Advise your
> SIP provider, please!

So, https://datatracker.ietf.org/doc/html/rfc5922#section-7.2 does seem pretty 
clear about this.  "Implementations MUST NOT match any form of wildcard"

Have you contacted the provider who is using a wildcard certificate in this way 
and referred them to the RFC?


"Can you keep a secret?"
"Well, I shouldn't really tell you this, but... no."

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