SSL certificate error for valid certificate

dstillman
This discussion was created from comments split from: SSL certificate error while connecting to api.zotero.org.
  • panda-z
    Hi!

    I've encountered the same problem.

    I set up my own webdav server and use certificates from Let's Encrypt for SSL connections. In Firefox, it shows the connection is secure and is verified by Let's Encrypt. But in Zotero, it shows "SSL certificate error connecting to [my_server_domain]" when I try to verify server.

    If I don't use SSL, the file synchronization is OK. So the server is set up properly. But if I use SSL, zotero can't connect to server. That's weird.
  • dstillman
    If the cert is valid, that would be a different issue. Can you provide a Debug ID for a Verify Server attempt that fails?
  • panda-z
    Hi dstillman,

    Thank you for your rapid response.

    Here is the Debug ID: D1735892844
  • dstillman
    Yeah, your server is incorrectly configured. Explanation here:

    https://www.zotero.org/support/kb/incomplete_cert_chain
  • panda-z
    Hi dstillman,

    Thank you for pointing out that. I'll check it.
  • panda-z
    After updating intermediate certificate on the server side, problem solved.
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