SYN flood defence method and device
A flood attack and purpose technology, applied in the field of data processing, can solve problems such as reflection attacks, and achieve the effect of reducing usage, improving performance, and saving memory
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[0055] 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 creative efforts fall within the protection scope of the present invention.
[0056] figure 1 It is a flow chart of a defense method against a SYN flood attack according to an embodiment of the present invention. Since this embodiment provides a defense method when the destination address device is under a SYN flood attack state, the implementation premise of this embodiment is the purpose The address device is in the state of being attacked by SYN flood, specifically, including:
[0057] Step 101, for the received SYN packet, judge whether...
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