OptionalallowOptionalpauseIndicates whether the socket should be paused on incoming connections.
OptionalnoIf set to true, it disables the use of Nagle's algorithm immediately after a new incoming connection is received.
OptionalkeepIf set to true, it enables keep-alive functionality on the socket immediately after a new incoming connection is received,
similarly on what is done in socket.setKeepAlive([enable][, initialDelay]).
OptionalkeepIf set to a positive number, it sets the initial delay before the first keepalive probe is sent on an idle socket.
Indicates whether half-opened TCP connections are allowed.