Linux防火墙系统接口通信的设计与应用

Design and Application of Interface Communications in Linux Firewall System

摘要:

嵌入式Linux防火墙具有资源受限的特点,对外通信是其中的一个重要方面。本文介绍了在外设受限的情况下串行接口和并行接口的应用实例,分析了编程方法,并给出了具体应用的实现代码。工程实践表明,利用接口自行编制程序实现双机热备和状态显示对提高防火墙产品性能,降低成本有着积极意义。

Abstract:

Embedded Linux Firewall System has a character of limited resource,of which communication with the outside is an important aspect.In this paper,the usage of serial port and parallel port in the instance of limited resource is introduced. The programming m