Did Not Connect: Potential Security Issue
Firefox detected a potential security threat and did not continue to bugs.jawset.com because this web site requires a secure connection.
What can you do about it?
The issue is most likely with the web site, and there is nothing you can do to resolve it. You can notify the web site’s administrator about the problem.
bugs.jawset.com has a security policy called HTTP Strict Transport Security (HSTS), which means that Firefox can only connect to it securely. You can’t add an exception to visit this site.