浅谈防火墙在计算机网络中的应用

APPLICATION OF THE FIREWALL IN THE COMPUTER NETWORKS

在Internet应用迅速普及发展的今天,企业计算机网络接入Internet获取资源、提供信息是一种广泛的应用模式。此时,如何保护企业计算机网络资源不受外部侵袭是一个严肃、重要的课题。本文列举乌鲁木齐石化计算机网络系统的Internet访问安全核心Cisco公司的PIX520防火墙,介绍如何使用防火墙提供的安全策略,构筑一般企业计算机网络Internet应用的安全体系。

With the current rapid Internet development, it is a wide application for the enterprise networks to access the Internet for abundant information. Thus, we confront a serious and vital issue of how to prevent the enterprise networks from outside illegal intrusion. The paper illustrates Cisco PIX 520 firewall that is the Internet access security core within Urumqi Petrochemical computer networks It introduces the usage of the security strategy provided by the firewall to build up the security system of the Internet application of the common enterprise networks.