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Note: The option to enable TLS 1.0 and 1.1 has been removed from the error page in Firefox version 97. For more information, see this Mozilla blog post.
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Websites that don't support TLS version 1.2 or higher will display a Secure Connection Failed error page with Error code: SSL_ERROR_UNSUPPORTED_VERSION and a message that says, This website might not support the TLS 1.2 protocol, which is the minimum version supported by Firefox. Since Firefox version 78, the minimum TLS version allowed by default is TLS 1.2.
Does avast work with firefox incorrect update#
Contact the owners of the website and ask them to update their TLS version to a version that is still current and still secure. Firefox protects you by preventing navigation to such sites if there is a problem in securely establishing a connection. Some websites try using outdated (no longer secure) Transport Layer Security ( TLS) mechanisms in an attempt to secure your connection. There is no option to add a security exception to visit the website.
Does avast work with firefox incorrect code#
The error page will include a description of the potential security threat and an Advanced… button to view the error code and other technical details.
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1.2 Did Not Connect: Potential Security Issue.1 Secure connection cannot be established.