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一、概述 随着近几年国内对网络安全意识的提高,越来越多的企业在自己的网络中部署了防火墙以防御外部黑客的攻击。但对于内部恶意用户对内部计算机网络系统的非法访问和破坏以及信息窃密的行为,防火墙却无能为力。入侵监测系统(IDS—Intrusion Detection System)可以帮助用户实现对内部网络中非法行为的监控和控制,避免恶意非法访问和信息窃密给公司带来的巨大的经济损失。
I. Overview As the domestic awareness of cybersecurity has risen in recent years, more and more enterprises deploy firewalls in their networks to defend against external hacking attacks. However, firewalls can not do anything about the illegal access and destruction of internal computer network systems by malicious internal users as well as information theft. Intrusion Detection System (IDS-Intrusion Detection System) can help users to monitor and control illegal activities in the internal network, to avoid malicious illegal access and information theft caused huge economic losses to the company.