The error message is a bit misleading - it's not so much that the website is configured improperly as it is that your browser is a little overzealous and thinks that every log in should be encrypted.
IE doesn't care, Chrome will say "Not secure" in the browser line where you put the URL you're connecting to, and FireFox, in an attempt to protect you from yourself, refuses to connect.
For whatever reason the owners of the forum have chosen not to use the secure http protocol to pass log in credentials, it's a decision that has been made, probably long ago, when the site was first set up, and long before everyone recognized how insecure the internet is.
98 - 1.8 Mitsubishi Pajero iO
98 - 2.0 Suzuki Grand Vitara - SQ420
05 - 2.0 Suzuki Grand Vitara - JB420
15 - 2.4 Kia Sportage
fordem hit the nail on the head. It isn't something we've never had, though it has been on the "wish list" for some time.
Basically, that extra protection stops what's called a MIM attack, or "Man in the Middle", where someone intercepts what you are typing as you type it. As pretty much everything you type here is going to a public forum that can be read by anyone, and we have zero eCommerce going on, it wasn't a big priority when the site was created.
Still, this is going to be added to the site in the near future. Firefox started being more aggressive about sites that don't use HTTPS a couple months ago, and other browsers are probably going to be following suit as well, so it's been moved up the priority list. At this point, we are mostly waiting on completion of other upgrades server side before implementing anything. No official ETA on when.
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