范文字数:18787,页数:40 有开题报告,任务书 摘 要 近年来,互联网得到了长足的发展,所以网络本身的安全性问题也就显得更为重要。网络安全的主要威胁是通过网络对信息系统的入侵,因此,如何通过网络安全系统对其进行检测,已成为众多网络安全手段的核心技术。 关键词:攻击特征,入侵检测,规则 Snort Rules Analysis and Increase As the necessary complement to Firewall, Intrusion Detection System can help the compute system to deal with network attack, which expands the security manage ability of system administrator and enhance the integrity of information security system architecture. IDS are installed to identify attacks and to react by usually generating an alert or blocking suspicious activity. Snort is a lightweight Network Intrusion Detection System(NIDS), and it detects intrusion with misuse detecting technology. Snort rules, acting as a knowledge base when it detect invade activity, is its heart, and will argument as kinds of intrusions increase. Software leak appears frequently, new network intrusion and varieties of old attacks continually bring threat and damage to computer network, in such condition, we should add new Snort rules in time to detect intrusion effectively, and increase the detect ability of Snort. Key Words:Attack Signature, Intrusion detection, Rule
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