A security protection system for communication protocol of power serial port server

Abstract

The invention discloses a communication protocol security defending system for an electric power serial server. A protocol data security defending system is provided in an internet access protocol to serial port protocol and a serial port protocol to internet access protocol, and any protocol data and access requests sent to an internet access and a serial port will pass security certification and detection of the security defending system. The communication protocol security defending system is characterized by being composed of a communication protocol data analytical reduction and formatting processing module, a protocol data analysis detection system and a communication protocol data service model security policy definition system. The problems that an existing electric power serial server does not have the security protection function on a communication protocol layer for various kinds of connected electric power industrial control equipment, an electric power telecommunication service protocol protection layer is provided on a protocol conversion layer (the internet access protocol to serial port protocol and the serial port protocol to internet access protocol) in a serial server software control system and used of preventing attackers from illegally operating and attacking various kinds of electric power control equipment connected in the electric power serial server.

Description

technical field [0001] The invention relates to the technical field of smart grid communication protocol security, in particular to a security detection and security protection system for a power serial server data communication protocol widely used in electric power automation systems. Background technique [0002] With the development of Internet Internet technology, the TCP / IP protocol has become the de facto network standard, and the TCP / IP-based protocol is an indispensable network protocol for network interconnection. In recent years, the industrial Ethernet technology produced by introducing Ethernet technology into the field of industrial field control has made it possible for power terminal equipment and various acquisition and control equipment in industrial production to become networked. The emergence of serial server makes the possibility of these devices networked into reality. [0003] In the current common power automation system (see figure 1 ), a large nu...

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Problems solved by technology

[0006] The technical problem to be solved by the present invention is to provide a communication protocol security protection system for power serial port servers. The present invention effectively solves the problem that the existing power serial port servers do not have the security protection function of the communication protocol layer for various types of power industrial control equipment connected. In the protocol conversion layer of the serial port server software control system (network port protocol to serial port, serial port protocol to network port) to provide a layer of protection for power communication business protocols to prevent attackers from using illegal instructions and data Illegal operations and attacks on various power control devices connected to power serial servers

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