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90DaysOfCyberSecurity 是一个以“90 天自学挑战”为核心的网络安全学习仓库,其阿拉伯语版学习计划完整承载了从网络基础到求职上岸的整条路线:前 28 天打牢 Network+/Security+ 与 Linux 地基,中间 42 ...
入侵检测系统(IDS)是网络安全的核心防线,而基于网络的入侵检测(NIDS)更是保障网络空间安全的关键技术。本文从数据包捕获原理讲起,介绍libpcap如何从网卡获取链路层数据帧,再深入协议解析与规则匹配机制,帮助读者掌握抓包、解析、检测和告警的完整链路。该技术不仅应用于毕业设计 ...