.NET Framework http connections throw 'The request was aborted: Could not create SSL/TLS secure channel' when accessing Jenkins after 2.73.1 update

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    • Type: Bug
    • Resolution: Not A Defect
    • Priority: Blocker
    • Component/s: core
    • Environment:
      Host/client java version "1.8.0_144"
      Jenkins version 2.73.1 LTS

      After upgrading to 2.73.1, attempts to useĀ Invoke-WebRequest (Windows only) to download from the Jenkins server (basically any request...but in this case it was downloading the slave.jar file) always throw:

      The request was aborted: Could not create SSL/TLS secure channel.

      This server has https enabled, with http redirecting to https via nginx.Ā  Nothing else changed except the upgrade fromĀ 2.60.3.

      Now, this is quite possible a server configuration error, but I'm looking for some info on what might have caused the regression.

      Connections of nodes via SSH, as well as curl on non-Windows platforms seem to be fine.Ā  Running inside the browser on Windows seems to be fine too.

            Assignee:
            Matthew Mitchell
            Reporter:
            Matthew Mitchell
            Archiver:
            Jenkins Service Account

              Created:
              Updated:
              Resolved:
              Archived: