(Today, with the growing maturity of the basic network, more and more enterprises are running various business systems closely related to the company through the network, and the Internet has become an indispensable part of us. However, today, with the popularity of the network, more and more enterprise network administrators are concerned about how to effectively manage their own internal network security and how to effectively ensure the smooth flow of key enterprise applications, And there is an urgent need for the fine management of the intranet. How to effectively solve this problem has become the primary problem that more and more enterprises inevitably face. This scheme is a typical targeted scheme, and I hope it can be helpful to you.)