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Q&A Accessing scientific-speculation.codidact.com over HTTPS is serving a certificate for collab.codidact.org, triggering browser security warnings

When I try to go to https://scientific-speculation.codidact.com/, I get a certificate warning. Looking at the certificate details, it turns out that the server is actually providing a certificate ...

0 answers  ·  posted 3y ago by Canina‭  ·  edited 3y ago by Canina‭

Question bug
#2: Post edited by user avatar Canina‭ · 2021-08-16T20:40:49Z (over 3 years ago)
  • When I try to go to https://scientific-speculation.codidact.com/, I get a certificate warning.
  • Looking at the certificate details, it turns out that the server is actually providing a certificate for subject alt names `collab.codidact.org` only, issued by Let's Encrypt and with a not-before time of Aug 9 2021 23:30 UTC. Since `collab.codidact.org` isn't `scientific-speculation.codidact.com`, this triggers the pretty dire warning. As far as I can tell, this began some time between 20:00 and 20:30 UTC.
  • If I choose to ignore the problem and continue, I actually do end up on Scientific Speculation, so whatever the problem is seems to be restricted to the certificate itself.
  • When I try to go to https://scientific-speculation.codidact.com/, I get a certificate warning.
  • Looking at the certificate details, it turns out that the server is actually providing a certificate for subject alt names `collab.codidact.org` only, issued by Let's Encrypt and with a not-before time of Aug 9 2021 23:30 UTC. Since `collab.codidact.org` isn't `scientific-speculation.codidact.com`, this triggers the pretty dire warning. As far as I can tell, this began Aug 16 2021 at some time between 20:00 and 20:30 (UTC).
  • If I choose to ignore the problem and continue, I actually do end up on Scientific Speculation, so whatever the problem is seems to be restricted to the certificate itself.
#1: Initial revision by user avatar Canina‭ · 2021-08-16T20:39:07Z (over 3 years ago)
Accessing scientific-speculation.codidact.com over HTTPS is serving a certificate for collab.codidact.org, triggering browser security warnings
When I try to go to https://scientific-speculation.codidact.com/, I get a certificate warning.

Looking at the certificate details, it turns out that the server is actually providing a certificate for subject alt names `collab.codidact.org` only, issued by Let's Encrypt and with a not-before time of Aug 9 2021 23:30 UTC. Since `collab.codidact.org` isn't `scientific-speculation.codidact.com`, this triggers the pretty dire warning. As far as I can tell, this began some time between 20:00 and 20:30 UTC.

If I choose to ignore the problem and continue, I actually do end up on Scientific Speculation, so whatever the problem is seems to be restricted to the certificate itself.
bug