Packet filtering method for firewall
A message filtering and firewall technology, applied in the field of network security, can solve problems such as increasing the cost of networking, not proposing a solution, and affecting the normal use of network resources by users, so as to improve network security and reduce the cost of networking
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[0049] In order to make the objectives, technical solutions, and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings. It should be noted that the embodiments in the application and the features in the embodiments can be combined with each other. Hereinafter, the present invention will be described in detail with reference to the drawings and in conjunction with the embodiments.
[0050] For the next-generation firewall, the firewall mainly processes and executes business operations on the application layer. The firewall used by next-generation users integrates the DPI scanning function to seamlessly scan the user's business and obtain the business type and data within the business. DPI (Deep Packet Inspection) is an important improvement proposed to improve the performance of network firewalls. The development stage of the firewall in...
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