| With the development of Internet, information resources in network are threatened by the attack of hackers and viruses. It is urgent to guarantee the confidentiality, integrity, reliability and availability of information. Now, our country is beginning to realize the importance of the security of website information, and many scientific institutions and enterprises are researching and exploring in this field. However, there are only a few of researches straight aimed at content protected of library website. Many libraries have established their own websites, but few attention are paid to the content protection of website, or the recognition was not enough at all.Surrounding the research and implementation on Content Protection System of Library Website(CPSLW), the following contents are studied in this thesis.1.On the Base of the integration and comparison of the security protecting models of information system at present, a model of security protecting of Website content was proposed. Compared with common model of content protection of Website, this model has not only the characteristic of aiming at the specific user group, but also possesses good expansibility.2. Based on the thorough analysis of digital sign technique and multithreading technique, the uniform format of signature format was presented, the supervision of content protected of website was realized, and the efficiency of system was improved.3. The CPSLW is designed and realized. The system is composed of customizing checking web page module, timing checking module, real time checking module, log managing module, data backup module and so on. After tested, the problem of content security protection of library website was mainly solved, and the security of system was also improved effectively.The research done in this dissertation has already been applied to a library website of certain province. It provides a new method of library web content protection and has important practical values. |
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