packet filtering meaning in English
封包过滤法
封包滤波（法）
Examples
- Network flow accounting system based on acl packet filtering
包过滤的网络流量计费系统 - Ipchains is essentially a packet filter
Ipchains本质上是包过滤器。 - This option provides a basic packet filtering framework
这个选项提供一个基本的信息包过滤框架。