Method and device for judging hidden NAT fault of firewall
A fault judgment and firewall technology, applied in digital transmission systems, data exchange networks, electrical components, etc., can solve problems such as equipment failures, slow changes in the number of fire protection sessions, lack of methods and devices for mining such fault judgments, etc.
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[0028] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are the Some, but not all, embodiments are invented. 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.
[0029] see figure 2 , the present embodiment discloses a method for judging a hidden NAT fault of a firewall, including:
[0030] S10, periodically counting the number of TCP sessions and the number of UDP sessions of the firewall device, and calculating the ratio of the number of TCP sessions and the number of UDP sessions counted in the current cycle;
[0031] It s...
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