signal.signal(signalnum, handler) Set the handler for signal signalnum to the function handler. handler

ssl.PROTOCOL_TLSv1 Selects TLS version 1.0 as the channel encryption protocol.

socket.type The socket type.

handle_connect() Called when the active opener’s socket actually makes a connection. Might send a “welcome” banner, or initiate

find(sub[, start[, end]]) Returns the lowest index in the object where the subsequence sub is found, such that sub

readline() Returns a single line, starting at the current file position and up to the next newline.

class ssl.MemoryBIO A memory buffer that can be used to pass data between Python and an SSL protocol instance.

ssl.enum_certificates(store_name) Retrieve certificates from Windows’ system cert store. store_name may be one of CA

signal.getitimer(which) Returns current value of a given interval timer specified by which. Availability: Unix.

ssl.OP_NO_TLSv1_2 Prevents a TLSv1.2 connection. This option is only applicable in conjunction with PROTOCOL_SSLv23