ssl.OP_NO_SSLv2 Prevents an SSLv2 connection. This option is only applicable in conjunction with PROTOCOL_SSLv23

SSLContext.get_ca_certs(binary_form=False) Get a list of loaded “certification authority” (CA) certificates. If the binary_form

exception ssl.CertificateError Raised to signal an error with a certificate (such as mismatching hostname). Certificate errors

socket.if_indextoname(if_index) Return a network interface name corresponding to an interface index number.

SSLContext.load_verify_locations(cafile=None, capath=None, cadata=None) Load a set of “certification authority” (CA) certificates

signal.getsignal(signalnum) Return the current signal handler for the signal signalnum. The returned value may be a

SSLContext.options An integer representing the set of SSL options enabled on this context. The default value is OP_ALL

signal.pause() Cause the process to sleep until a signal is received; the appropriate handler will then be called. Returns nothing

async_chat.close_when_done() Pushes a None on to the producer fifo. When this producer is popped off the fifo it

ssl.enum_crls(store_name) Retrieve CRLs from Windows’ system cert store. store_name may be one of CA,