Huaneng Information Technology Co., Ltd.

Dongliang Li

Lei Cui

Ziqiang Wen

Pengfei Xie

Jiaxin Zhu

Xiaoyu Liu

Chongwu Sun

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.

Growing community of inventors

Qingdao, China

Dongliang Li