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Unable to access IP addresses.

  • 2 replies
  • 1 has this problem
  • 10 views
  • Last reply by cor-el

roy.harten
roy.harten
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Hi

Here is the error message I get when trying t access an IP address.

Peer using unsupported version of security protocol.

Error code: SSL_ERROR_UNSUPPORTED_VERSION

All Replies (2)

FredMcD
FredMcD
  • Top 10 Contributor
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There is security software like Avast, Kaspersky, BitDefender and ESET that intercept secure connection certificates and send their own.

https://support.mozilla.org/en-US/kb/firefox-cant-load-websites-other-browsers-can

https://support.mozilla.org/en-US/kb/firefox-and-other-browsers-cant-load-websites

https://support.mozilla.org/en-US/kb/secure-connection-failed-firefox-did-not-connect

https://support.mozilla.org/en-US/kb/websites-dont-load-troubleshoot-and-fix-errors

What do the security warning codes mean

Helpful?

cor-el
cor-el
  • Top 10 Contributor
  • Moderator
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Can you post a link to a publicly accessible page (i.e. no authentication or signing on required)?

This could be a problem with TLS support (TLS 2.0 and 3.0 are supported).

You can check the server.

You can check your browser for comparison.

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