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Playful-Interactive-Environments / pie-lab.at

Jekyll based website for Playful Interactive Environments
https://pie-lab.at/
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SSL certificate does not cover www subdomain #34

Closed hochleitner closed 3 years ago

hochleitner commented 5 years ago

Describe the bug The SSL certificate issued by LetsEncrypt only covers the apex domain https://pie-lab.at/. When opening https://www.pie-lab.at/ a certificate error is shown, since the supplied certificate is from www.github.com and not www.pie-lab.at.

To Reproduce Steps to reproduce the behavior:

  1. Go to https://www.pie-lab.at/.
  2. Encounter an SSL certificate error, e.g. NET::ERR_CERT_COMMON_NAME_INVALID for Google Chrome.

Expected behavior https://www.pie-lab.at/ should simply redirect to https://pie-lab.at/ without a certificate error.

Screenshots image

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Additional context The issue has been acknowledged by GitHub. Currently the certificate issued does not cover apex & subdomain: https://github.community/t5/GitHub-Pages/Does-GitHub-Pages-Support-HTTPS-for-www-and-subdomains/td-p/7116

hochleitner commented 3 years ago

After two and a half years, this issue has been fixed by GitHub. The DNS settings have been adapted according to https://docs.github.com/en/pages/configuring-a-custom-domain-for-your-github-pages-site/managing-a-custom-domain-for-your-github-pages-site#configuring-an-apex-domain-and-the-www-subdomain-variant. Using www.pie-lab.at should now work correctly.