Research And Implementation Of The Key Technology Of Audit System For Multi Print Protocol

In recent years, with the development of the process of enterprise informatization, the research on the security of the security information system has gradually deepened. Security audit as the last line of defense of the information security system, strengthen and standardize the information security technology. It ensures the information security of enterprise to safeguard national security, social order and public interests.Among them, print security audit as an important part of the security audit, effectively monitors user print behavior, stores print content,prevents sensitive information leakage, plays an indispensable role in the security audit.Traditional print auditing system, however, has not satisfied with the diversity of the open Internet of the new situation, produce the problem such as high deployment cost and low audit efficiency. A problem for the big data printing security audit that we are facing now is how to go from analysis on the breadth of the commonness and characteristics of a variety of printed agreement, to improve printing quality and efficiency of the audit data, thus effectively support audit data mining, audit analysis,computer crime forensics based on the collected data. Based on the above background and problems, this paper studies the key technologies of the protocol identification and content extraction of various printing protocols. And the paper further designs the security audit framework for multi printing protocol, the framework reduces the system deployment costs, higher flexibility and expansibility. The topology of a multi node monitoring center makes it possible to print audit monitoring and management of the discrete distribution of corporate office network.The paper firstly discusses the background and significance of the research on the key technology of the audit system of the multi print protocol, introduces the relevant theory and technology background of security audit research, print protocol analysis and pattern matching algorithm. Then, in order to solve the printing protocol analysis of single audit system and the problem of low efficiency, the paper studies the key technology of security audit system based on multi print protocol, and realizes the print content security audit to support a variety of print language. Finally, the rationality and effectiveness of the proposed scheme is verified by experiments, including print audit system function test, print protocol analysis and content extraction test, content audit key technology test. The results show that the print audit system based on multi print protocol is effective, and can effectively promote the further development of the research on printing security audit.