[asterisk-users] res_calendar & LetsEncrypt

Sean Bright sean.bright at gmail.com
Tue Dec 24 09:34:53 CST 2019

On 12/24/2019 9:02 AM, Doug Lytle wrote:
> [Dec 24 07:48:46] WARNING[10679] res_calendar_caldav.c: Unknown 
> response to CalDAV calendar calendar.name.here, request REPORT to 
> /dav/username/Calendar: Server certificate changed: connection 
> intercepted?
> Would this be considered a bug, or do I have something setup incorrectly?

This error message comes from neon and was removed in r1938 back in 2014[1]:

src/ne_openssl.c (ne__negotiate_ssl): Don't fail hard for SSL cert 
change, invoke verify callback.

For better or worse, Asterisk's verify callback allows all certificates, 
so this doesn't appear to be an Asterisk bug. You should probably try to 
find a newer version of neon for your distribution.

Kind regards,

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