ScientificLinux is a free distribution based on the same code as RedHatEnterpriseLinux.
See https://www.scientificlinux.org/ (HttpsLinksDontWorkOnWiki)
- In this case, use: http://www.scientificlinux.org (It automatically redirects to https, but maybe only with InternetExplorer?) (also with MozillaFirefox)
What's the point of this being a secure site, anyway? Especially when you have to accept an untrusted certificate to get in?