Industrial protocol topology generation method, device and system based on industrial firewall

• Main Authors: LI XIN, LI YUANZHENG, MENG XING
• Format: Patent
• Language: Chinese; English
• Published: 31.03.2023
• Subjects: ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION

The invention discloses an industrial protocol topology generation method, device and system based on an industrial firewall, and belongs to the field of industrial control networks, and the method comprises the following steps: accessing the industrial firewall into an industrial control network environment; carrying out deep analysis on the traffic message, obtaining data, and storing the data in a database in a sub-table manner; the industrial firewall system draws basic industrial equipment topological nodes according to the source IP and MAC and the destination IP and MAC in the data stored in the database; performing communication connection on the nodes of the industrial control equipment, wherein the connection follows the session direction; drawing communication function code list data according to a communication protocol between the industrial control devices; and querying the associated specific communication function code instruction data stored in the database according to the communication prot