The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 25, 2025
Filed:
Jul. 09, 2024
Huaneng Information Technology Co., Ltd., Shandong, CN;
Lei Cui, Qingdao, CN;
Ziqiang Wen, Qingdao, CN;
Dongliang Li, Qingdao, CN;
Jiaxin Zhu, Qingdao, CN;
Xiaoyu Liu, Qingdao, CN;
Pengfei Xie, Qingdao, CN;
Chongwu Sun, Qingdao, CN;
HUANENG INFORMATION TECHNOLOGY CO., LTD., Qingdao, CN;
Abstract
A security protection method and device based on industrial Internet is provided. The disclosure relates to the technical field of network security and realize the isolation between the Internet and the industrial Internet platform intranet by deploying the exit firewall, and there is no restriction from the industrial Internet platform intranet to the Internet, and only necessary ports are opened from the Internet to the industrial Internet platform intranet. By deploying a regional firewall, isolation between the intranet core server and each of the secondary nodes is realized. The regional firewall is deployed on the wide area network router, and the second access policy of secondary nodes and intranet core servers is preset. After the second access policy is formulated, only the IP and service ports of specific hosts are opened, and all other accesses are prohibited.