radius协议的经典实现

				#				# Table structure for table 'badusers'				#				CREATE TABLE badusers (				  id int(10) DEFAULT '0' NOT NULL auto_increment,				  UserName varchar(30),				  Date	datetime DEFAULT '0000-00-00 00:00:00' NOT NULL,				  Reason varchar(200),				  Admin varchar(30) DEFAULT '-',				  PRIMARY KEY (id),				  KEY UserName (UserName),				  KEY Date (Date)				);