Github firefox github not secure

Describes the cause and action for error messages.

Error Message(English)：
firefox github not secure

Resolution

open https web failed by "Your connection is not secure" - GitHub
https://github.com/mozilla/geckodriver/issues/428

Certification error "Your connection is not secure" ・ Issue ... - GitHub
https://github.com/mozilla/geckodriver/issues/216

Securing your GitHub Pages site with HTTPS - GitHub Help
https://help.github.com/en/articles/securing-your-github-pages-site-with-https

GitHub/Repository Security - MozillaWiki
https://wiki.mozilla.org/GitHub/Repository_Security

Your connection is not secure | Firefox Support Forum | Mozilla ...
https://support.mozilla.org/questions/1223163

Troubleshoot the "Secure Connection Failed" error message | Firefox ...
https://support.mozilla.org/en-US/kb/secure-connection-failed-error-message

Protecting Mozilla's GitHub Repositories from Malicious Modification ...
https://blog.mozilla.org/security/2018/09/11/protecting-mozillas-github-repositories-from-malicious-・・・

Every website returns "Your connection is not secure" | Firefox Support ...
https://support.mozilla.org/questions/1130326

GitHub - MozillaWiki
https://wiki.mozilla.org/GitHub