/SOCKET_OPTIONS=(options) Optional. The following socket options are available. Option Description Default BROADCAST Sockets Null character (hexadecimal 00) are UDP NOBROADCAST broadcast. Sockets are not UDP broadcast. KEEPALIVE Sockets Null character (hexadecimal 00) are TCP NOKEEPALIVE keepalive. Sockets are not TCP keepalive. RECEIVE Receive Null character (hexadecimal 00) socket quota. SEND Send socket Null character (hexadecimal 00) quota.