Protect The Company's Inner Network By Program Of The Intermediate Network Driver

Along with computer's widespread application in social product, the question of company's information revelation is more serious day by day, and it is harming company's benefit directly. The means to enhance the network security is many. And the different question has the different solution. To the question of the company that I have study, this paper study in the protecting of inner network by intermediate network driver.This paper analyzes the frame of the windows operating system at the start. Then this paper introduces the use of driver program, analyzes the structure of driver program and data structure. This paper also compares NT driver and WDM driver.This paper analyzes the structure of intermediate driver program, and introduces the ProtocolXxx functions and the MiniportXxx functions afterwords. Then the paper introduces particularly the receiving and sending of data packets and the managing of data packets.Then the paper gives a means of protecting the company's inner network by intermediate driver program. The paper also introduces how to realize the protecting and how to control the driver by application program.This paper can be for reference when you develop the intermediate network driver. The method only realizes easy inner network protecting. You can research more on inner network protecting according to this method.