HTTPS Everywhere 5.2.13 is not compatible with mozdev.org/bugs/
Your connection is not secure
The owner of www.mozdev.org has configured their website improperly. To protect your information from being stolen, Firefox has not connected to this website.
www.mozdev.org uses an invalid security certificate.
The certificate expired on 2016-09-11 19:39. The current time is 2017-04-04 07:14.
Error code: SEC_ERROR_EXPIRED_CERTIFICATE
There isn't currently anyone actively involved in managing the mozdev.org site. If that is something you would be interested in helping with, I'll be happy to connect you with other people who have also expressed interest in running the site.
HTTPS Everywhere 5.2.13 is not compatible with mozdev.org/bugs/
David Boswell davidwboswell@yahoo.com (the owner of the mozdev.org domain name) responded: