causes the socket to be closed and the information on the connection
	to be discarded.

FILE	Data is sent in packets, rather than dumped in a stream manner.
	This allows the DCC SEND connection to survive where an FTP
	connection might fail. The size of the packets is up to the
	client, and may be set by the user. Smaller packets result
	in a higher probability of survival over bad links.
	The recipient should acknowledge each packet by transmitting
	the total number of bytes received as an unsigned, 4 byte