计算机网络是伴随着计算机技术而产生的,随着技术的发展,现在已经成为我们了解信息、传递信息的重要渠道,但也带来了基于网络信息的安全问题。如何有效保护网络安全、信息安全成为我们急需解决的问题。 With the development of technology, computer network has been accompanied by computer technology. Now it has become an important channel for us to understand and transmit information, but it also brings about the security problem based on network information. How to effectively protect the network security, information security has become an issue that we urgently need to solve.