在国民经济信息化进程中,企业为了提高自身的竞争力,都在尽可能的利用Internet/Intranet技术所带来的机遇和挑战,来提高工作效率和管理科学水平。但由于国内网络通信安全建设还存在很多缺陷,所以企业自身的信息及网络的安全就成为了亟待解决的问题。 In the process of informatization of national economy, in order to improve their competitiveness, enterprises are trying their best to make full use of the opportunities and challenges brought by Internet / Intranet technology to improve work efficiency and manage scientific level. However, there are still many defects in the construction of the domestic network communication security. Therefore, the enterprise’s own information and network security have become urgent problems to be solved.