分组过滤

分析了防火墙系统中分组过滤技术和代理服务技术存在的安全性缺陷，指出了HTTP协议身份验证方案存在的问题。

The weakness of packet filtering and proxy technology in firewall are analyzed , The security problems of HTTP pro-tocol 's valid usr-identity are pointed .

曝光时间和CR摄影得分为目标的0-1整数规划模型，用分组过滤方法简化解空间，最后用遗传算法求解。

Grouped filtering method was used to simplify the solution space , then the optimized model is solved by genetic algorithm .

提出了BGP的路由选择通知功能扩展，为域间分组过滤提供过滤标准。

This paper proposes to extend BGP with route selection notice to provide filtering criteria .

一种是在现有IP协议的基础上建立分组过滤路由器和代理AK务器结合的防火墙系统。

One , which is based on the cur - rent IP protocol , is to establish firewalls combined with IP packet - filter routers and proxy servers .

通过访问控制，来实现账户分组授权以及命令过滤。

Access control , to achieve account grouping authorization and order filtering .