Originally Posted by
Jeff Neese
It's not completely down for me, but I get a security warning that the certificate is invalid using Firefox (with the option to connect anyway), and Edge just refuses to connect entirely.
For some reason, Chrome connects just fine and also shows a valid certificate.
Try clearing Firefox's data for the site (go to sheldonbrown.com, click on the padlock icon by the URL afterwards, then click on "clear cookies and site data"). That may clear the problem.
Did that, and got zero security warnings/mixed content warnings/etc . . . . with my Firefox install when I visited the site about 15 min ago. Seems to be back to normal.