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Protecting server and network method

A server and analysis server technology, applied in the field of computer network security, to achieve the effect of reducing costs, reducing customer costs, and improving utilization

Inactive Publication Date: 2013-10-23
陈勇
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] In view of this, the purpose of the present invention is to reduce customer security costs and solve problems that cannot be solved when using a security gateway for one-to-one protection, such as multiple security requirements in the protected area, DDoS, etc.

Method used

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  • Protecting server and network method
  • Protecting server and network method

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Experimental program
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Embodiment Construction

[0034] The present invention can achieve unity in many aspects such as safety, cost and effective utilization.

[0035] Traditional firewall protection system, see attached figure 1 , is to use a firewall to block between the protected server or the protected network and the Internet, generally between the router connected to the Internet and the protected server / network.

[0036] When a client on the Internet, such as C1~C4, wants to access the server S1 in Net1, it first requests the DNS server DNS1 serving the domain of S1 to obtain the IP address of S1, and then the request packet will pass through the Internet, router 1, and firewall FW1 reaches S1, and S1 reversely returns the response packet to C1.

[0037] If the firewall protects a subnet, for example, the subnet composed of S2~S4 and PC1 / PC2 is protected by FW2, and the situation is similar.

[0038] The firewall can prohibit the client access of the specified IP and block certain types of attacks such as SynFlood ...

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PUM

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Abstract

The invention discloses a method to protect the server or the network, including: when the Internet users visit the protected server or the network, the scheduled DNS server determines the corresponding the object safe node which accords with the scheduled condition, and provides the IP address of the object safe node to the user; the request transmitted by the protected server or the network points to the object safe node, which is controlled by the security policy and the intelligent control part. The legal request of the Internet users is transmitted to the protected server or the network and receives the responsion data of the network server or the network, and the legal responsing data is returned to the users in the control of the security policy and the intelligent control part. The invention can reduce the cost of the clients, disperse the flow, which is to say that a plurality of safe nodes can protect the same server to disperse the attacking flow, avoid the exit from being blocked.

Description

technical field [0001] The invention relates to the technical field of computer network security, and more specifically relates to a method for using security nodes deployed on the Internet to form a virtual security network to protect network servers or network security on the Internet. Background technique [0002] The Internet is getting closer and closer to people's lives, and people will use known domain names or search engines to find the information and various services they need. But at the same time, the problem of Internet security has become an urgent problem to be solved. According to statistics in September 2007, the number of domestic websites has reached 1.31 million, and this still refers to the statistics of all websites under a second-level domain name as only one website. Adding subdomain websites, the number of websites should have exceeded Ten million. [0003] Websites on the Internet will be subject to various attacks and intrusions, such as exploiti...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06H04L12/70
Inventor 陈勇
Owner 陈勇