Processing method, processing system, and processing device for dns domain name server attack
A technology of a domain name server and a processing method, which is applied in the field of processing devices, terminals and storage media for DNS domain name server attacks, and can solve problems affecting the normal operation of DNS servers and occupying server network bandwidth, so as to reduce occupation and ensure domain name resolution Effect
Active Publication Date: 2021-08-06
卓尔智联(武汉)研究院有限公司
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Problems solved by technology
However, on the Internet platform, there are often some malicious clients attacking the DNS server and sending a large number of domain name resolution requests to the DNS server to occupy the network bandwidth of the server, thereby affecting the normal operation of the DNS server.
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[0073] The technical solutions of the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the present invention. Rather, they are merely examples of apparatuses and methods consistent with aspects of the invention as recited in the appended claims.
[0074] Denial of service attack (DoS / DDoS) is a common means of Internet totalization, which means that the attacker directly or indirectly initiates a request to the target host, occupying a large amount of its network bandwidth or s...
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This application is about a DNS domain name server attack processing method, which is applied to the blockchain node deployed with the first consortium chain. The method includes: receiving the domain name resolution request sent by the client; The number of domain name resolution requests of the client; when the number of domain name resolution requests of the same client reaches the preset threshold, the client’s domain name resolution request is refused to be forwarded to the blockchain node of the second consortium chain for domain name resolution. The first consortium chain and the second consortium chain are two different consortium chains. In this way, the first consortium chain filters out the malicious attack on the DNS domain name server in the domain name resolution request (for example, the number of domain name resolution requests from the same client reaches the preset threshold), so that the second consortium chain can only respond to non-malicious attacks The domain name resolution request is analyzed, thereby reducing the occupation of network bandwidth by the malicious attack part in the domain name resolution request, and improving the efficiency of domain name resolution.
Description
technical field [0001] The present invention relates to the field of information technology, in particular to a method for processing DNS domain name server attacks, a processing system for DNS domain name server attacks, a processing device for DNS domain name server attacks, a terminal and a storage medium. Background technique [0002] When obtaining the webpage information of a webpage on the Internet, it is generally necessary to first resolve the domain name through DNS (Domain NameServer, Domain Name Server) to obtain the IP address corresponding to the domain name. Then access the server where the resolved IP address is located to obtain webpage information. However, on the Internet platform, there are often some malicious clients attacking the DNS server and sending a large number of domain name resolution requests to the DNS server to occupy the network bandwidth of the server, thereby affecting the normal operation of the DNS server. Contents of the invention ...
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IPC IPC(8): H04L29/06H04L29/12
CPCH04L63/1441H04L61/4511
Inventor 向舜
Owner 卓尔智联(武汉)研究院有限公司