@industrial6: yes, back on the first page there were a couple of ways given to disable this temporarilyhttps://connect.mozilla.org/t5/ideas/allow-firefox-to-bypass-hsts-errors/idi-p/163#M15411(note: since that answer the profile storage has migrated ...
I don't know anything about connecting to an xbox dev console so I don't know the source of the problem: the solution depends on why Firefox thinks the site has HSTS.1. Site-served HSTSNormally, if you've never encountered a host and it serves an inv...
I was specifically referring to a UI button to bypass the error as in the original poster's Vivaldi example. If you want secret incantations, there are some unsafe ways to use Firefox preferences.
Chrome and Edge do not allow you to bypass this error. Like Firefox they are following the HSTS specification that explicitly disallows this. If you were able to reach a site with a valid cert in the past and it enabled HSTS then an invalid cert is a...
