How to defend against such attacks?

Safety protection can be carried out according to the advanced anti-virus CDN- CDN is a good service provider of advanced anti DDoS CDN. Its nodes have huge network bandwidth, and each node has a strong ability to undertake traffic. It can be effective when the sudden traffic of the Internet is increased. Wudx CDN creates an intelligent redundancy and dynamic acceleration system in the middle of nodes. Browsing traffic can be distributed to several nodes in real time and intelligently separated. When the website is attacked by DDoS, the acceleration system software will disperse the attack traffic to several nodes, and the working pressure between the nodes and the website server will be reasonably shared. The difficulty coefficient of hacker technology attack is becoming higher and higher, and the server manager has more and more time to solve it, which can reasonably prevent hacker attacks and reduce the harm of various DDoS attacks to the website. Wudx CDN can hide the source IP of the server and effectively improve the security performance of the source server. If you want to defend against DDoS attacks according to advanced anti DDoS CDN, wudx CDN can certainly work on you. I'm not sure, or let's see what the professionals say. CDN can only mitigate DDoS attacks. Generally, CDN will let you assign some IP addresses in each province, and then analyze the recent IP addresses in each province according to the form of Intelligent DNS.