Three-mode heterogeneous redundant industrial control security gateway system and intrusion sensing method thereof
A security gateway, industrial control technology, applied in transmission systems, digital transmission systems, data exchange networks, etc., can solve problems such as loss of industrial control networks, and achieve the effect of improving reliability
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[0031] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0032] Such as figure 1 As shown, the three-mode heterogeneous redundant industrial control security gateway system in this embodiment includes an external IO module for data packets, three heterogeneous redundant industrial control security gateway execution modules, a comparison module, an internal IO module for data packets, and an intrusion sensing module. modules and system configuration modules. in,
[0033] The external IO module of the data packet di...
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