SocketOpen
SocketOpen[port] opens a socket that accepts TCP connections to localhost:port and returns a SocketObject representing the socket.
SocketOpen[address] opens a socket that accepts TCP connections to the specified local address.
SocketOpen[address,"protocol"] opens a socket that accepts connections with the specified protocol.
SocketOpen[address,{"protocol","type"}] opens a socket that accepts connections of the specified protocol and type.
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