modsecurity是linux环境下非常优秀的开源防御web攻击软件，它可以防御针对apache的攻击，使用规则匹配，它的解码流程和匹配流程是很值得学习和借鉴。-modsecurity is a very good linux environment, open source software, Defense web attacks, it can be defensive attack against apache, using the rules match, its decoding

pcre-7.9是用于正则表达式匹配，它的匹配效率很高，modsecurity就是用它进行正则匹配，而且它也是开源，所以只要你足够牛，就可以将pcre-7.9+modsecurity移植到任何平台下，进行数据匹配检测。-pcre-7.9 is used for regular expression matching, it matches very efficient, modsecurity is to use it for a regular match, but it is also op