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在我国，网络安全问题还没有得到充分的重视，许多大型的信息港和企业的Ｉｎｔｒａｎｅｔ在配置方案中仅配置了一道防火墙作为安全的保障，并没有在安全方面下大的工夫，结果往往在遭受重大损失后才意识到安全问题的重要性。引用ＩＳＳ的创始人Ｃｌａｕｓ的一句话来总结中国网络安全的现状：“目前的系统就像是一幢门户大开的大楼，罪犯可以如同进入无人之境那样随便作案，并且可以不留下任何蛛丝马迹。”因此，保护网络的安全刻不容缓，很好地掌握黑客进攻的方式，熟悉其原理对于保护网络的安全是非常有帮助。
In our country, the issue of network security has not been given enough attention. Many large information ports and enterprises have only configured a firewall in the configuration scheme as a security guarantee, and do not devote much effort to security. The result is often suffered After a serious loss, I realized the importance of safety. Citing the words Claus, founder of ISS, summarizes the current state of cybersecurity in China: “The current system is like a big open-door building where criminals can just as easily walk into unmanned places and leave behind nothing Clues. ”Therefore, the protection of network security without delay, a good grasp of the way hackers attack, familiar with its principles for the protection of network security is very helpful.