FTP_USER Table Structure
Column 	Type 	Default value
userid 	VARCHAR(64), Primary key 	 
userpassword 	VARCHAR(64) 	 
homedirectory 	VARCHAR(128) 	 
enableflag 	BOOLEAN 	TRUE
writepermission 	BOOLEAN 	FALSE
idletime 	INT 	0
uploadrate 	INT 	0
downloadrate 	INT 	0
maxloginnumber 	INT 	0
maxloginperip 	INT 	0