target = "https://www.rfc-editor.org/rfc/rfc9001#section-8.2" [[exception]] quote = ''' Endpoints MUST NOT send this extension in a TLS connection that does not use QUIC (such as the use of TLS with TCP defined in [TLS13]). A fatal unsupported_extension alert MUST be sent by an implementation that supports this extension if the extension is received when the transport is not QUIC. ''' reason = ''' TLS support is implemented through a provider and is unenforceable by s2n-quic. '''