浅析防火墙的原理及配置技术

随着网络安全问题日益严重，网络安全产品越来越受到人们的重视。防火墙作为最常用和使用量最大的网络安全产品，也受到广大用户和研发机构的青睐。详细论述了防火墙技术的原理、配置结构和发展趋势等内容，旨在为选择防火墙的用户提供一点借鉴。

Analysis the Principle and Configuration Technology of the Firewall

With the growing problem of network security, people pay more and more attention to the network security products.The firewall as a network security product which is most commonly used and the use of the most, has also been favored by a wide range of users and R&D institutions.This article discusses the principles,configuration structure and development trends of the firewall technology in detail, which is aimed at providing the users reference to choose the firewall.