“入侵检测需要吗?不需要吗?”当您看到“大话西游”经典台词式的问句,一定会回想起影片中菩提老祖和至尊宝纠缠不休、毫无结果的对话场景。的确,是否有必要构建入侵检测系统(Intrusion Detection System,IDS)一直是困扰企业或机关网络安全主管的首要问题。伴随众多媒体与厂商日益广泛的宣传,企业用户对IDS已经有了初步了解,然而,当他们真正面临产品选择和技术应用时,或处理网络安全和投资力度关系时,又会表露出茫然、无所适从的神色。 “Do intrusion detection do you need? Do not you need it?” When you see the classical poetic question of “Journey to the West”, you will certainly recall the endless and fruitless dialogues between Bodhi and Soho. Indeed, the need to build an Intrusion Detection System (IDS) has been the number one problem bothering network security executives at enterprises or organizations. With the increasing publicity of many media and manufacturers, enterprise users have already got a preliminary understanding of IDS. However, when they really face product selection and technical application, or when they deal with the relationship between network security and investment, they will also be confused and confused Look