User interface module implements the interface about user, and the system will notify the result of analysis to user with it. We implement detection to some commen-used intrusion methods and store alert information to log file for administrator to query and analyze. 用户接口模块实现了与用户相关的接口,系统将分析结果通过此接口通知给用户,并同时将告警信息存入日志文件中,供管理员后期查询和分析。