SSLContext.set_default_verify_paths() Load a set of default “certification authority” (CA) certificates from a filesystem path

writable() Called each time around the asynchronous loop to determine whether a channel’s socket should be added to the list

ssl.RAND_egd(path) If you are running an entropy-gathering daemon (EGD) somewhere, and path is the pathname of a socket

async_chat.get_terminator() Returns the current terminator for the channel.

SSLContext.set_alpn_protocols(protocols) Specify which protocols the socket should advertise during the SSL/TLS handshake. It

SSLSocket.selected_npn_protocol() Return the higher-level protocol that was selected during the TLS/SSL handshake. If SSLContext

socket.if_nameindex() Return a list of network interface information (index int, name string) tuples.

write_eof() Write an EOF marker to the memory BIO. After this method has been called, it is illegal to call write()

ssl.wrap_socket(sock, keyfile=None, certfile=None, server_side=False, cert_reqs=CERT_NONE, ssl_version={see docs}, ca_certs=None, do_handshake_on_connect=True, supp

socket.CMSG_LEN(length) Return the total length, without trailing padding, of an ancillary data item with associated data of