

Therefore, no real customers can be served. It is like too many faked customers come to a restaurant without ordering food.

Since for each Internet server there is a number limit for concurrent TCP connections, clients can send many TCP connection requests to overcome a server's TCP connection threshold with none ever being completed. The idea is to consume servers' TCP/IP resources with excessive TCP connections at little cost. What is an application layer (L7) DDoS attack?Īn application layer DDoS attack is launched by multiple clients targeting a server's TCP/IP application layer.
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In addition to that, Anti DDoS software is usually cost saving. Through Anti DDoS software, network flows can be easily managed and TCP connections are under controlled.

However, when DDoS attacks come to application layer, Anti DDoS software does better job. CDNs are effective at huge attacks aiming at physical layer. It is because Internet servers need additional shield on top of CDN DDoS protection. Please click here to learn more about Anti DDoS software. Since it is software, it is flexible and more configurable. Anti DDoS software works on different network layers to detect illegal network traffic and mitigate attacks. Find more on What is a DDoS attack?Īnti DDoS software is software components installed on Internet servers to stop DDoS attacks. A DDoS attack means numerous illegal computers access an Internet server at the same time and the huge incoming traffic flooding makes the server unable to response legal users.
