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SSL_ERROR_UNSUPPORTED_VERSION problem to loading

  • 1 reply
  • 3 have this problem
  • 5 views
  • Last reply by cor-el

numalb25
numalb25
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SSL_ERROR_UNSUPPORTED_VERSION show interface

SSL_ERROR_UNSUPPORTED_VERSION show interface

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cor-el
cor-el
  • Top 25 Contributor
  • Moderator
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I think that this can happen if there is a mismatch between the TLS protocol the server supports and the TLS protocol your browser supports. Using a proxy can also cause this, but is also possible that the server doesn't support modern TLS versions (TLS 2 and 3).

Make sure that these prefs are default on the about:config page.