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Firewall device, message processing method and medium thereof

A packet processing and firewall technology, applied in the field of network security, can solve problems such as difficulty in normal traffic flow and inability to realize attack log records

Active Publication Date: 2021-05-25
NEUSOFT CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, today's software firewalls, due to multi-core concurrent resource competition and software performance limitations, are difficult to ensure smooth flow of normal traffic and prevent large-traffic attacks, and there is no way to record attack logs

Method used

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  • Firewall device, message processing method and medium thereof
  • Firewall device, message processing method and medium thereof
  • Firewall device, message processing method and medium thereof

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Embodiment Construction

[0047] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiment of the application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiment of the application. Obviously, the described embodiment is only It is a part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0048] The terms "first", "second", "third", "fourth", etc. (if any) in the specification and claims of the present application and the above drawings are used to distinguish similar objects, and not necessarily Used to describe a specific sequence or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances such th...

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Abstract

The embodiment of the present application discloses a firewall device, which includes three types of central processing units and memories corresponding to each type of central processing unit, wherein the first type of central processing unit is configured with a forwarding core, It is used to forward normal messages and discard small flow attack messages to the first attack message buffer area; the second type of central processing unit is equipped with a dedicated core for attack defense, which is used to forward normal messages and Large-flow attack packets are discarded to the second attack packet buffer; the third type of central processor is configured with a log record core, which is used to read the first attack packet buffer and the second attack packet through a lock-free read operation. Attack packets in the packet buffer and generate attack logs. The firewall device can not only realize the normal forwarding of packets, but also defend against traffic attacks, and record attack logs at the same time.

Description

technical field [0001] The present application relates to the technical field of network security, and in particular to a firewall device, a message processing method thereof, and a computer-readable storage medium. Background technique [0002] A firewall (Firewall), also called a protective wall, is a barrier between an internal network and an external network, and it controls the ingress and egress of packets according to predefined rules. The firewall can be understood as the first line of defense of the network system, and its function is to prevent illegal users from entering. [0003] With the rapid development of technology, network card attacks have also been upgraded, and DDOS (Distributed Denial of Service, Distributed Denial of Service) attacks of tens of gigabytes or even hundreds of gigabytes are emerging one after another, so the packet processing pressure of the firewall is also increasing. In addition, in order to better maintain network security, firewall ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06
CPCH04L63/02H04L63/0209H04L63/1441H04L63/1458H04L63/20
Inventor 刘健男
Owner NEUSOFT CORP