ProtocolNegotiationSupport defines flags which are used to indicate the level of NPN/ALPN support provided by the TLS backend.

Class Variable NOSUPPORT There is no support for NPN or ALPN. This is exclusive with both NPN and ALPN.
Class Variable NPN The implementation supports Next Protocol Negotiation.
Class Variable ALPN The implementation supports Application Layer Protocol Negotiation.
NOSUPPORT =
There is no support for NPN or ALPN. This is exclusive with both NPN and ALPN.
NPN =
The implementation supports Next Protocol Negotiation.
ALPN =
The implementation supports Application Layer Protocol Negotiation.
API Documentation for Twisted, generated by pydoctor at 2017-09-23 19:45:03.