unsupported_extension

tls · tls/unsupported_extension

A TLS endpoint received an extension in a handshake message where that extension type is not permitted, or received the same extension type more than once. This alert is always fatal.

References

rfc-editor.org/rfc/rfc8446

In this namespace

← previous unsupported_certificate unsupported_certificate next → user_canceled user_canceled

unexpected_message unknown_ca unknown_psk_identity unrecognized_name unsupported_certificate unsupported_extension user_canceled