What is anti-DDoS protection

As the volume of data that exists on the internet grows exponentially, distributed denial-of-service (DDoS) attacks are becoming increasingly common.

A DDoS attack aims to make a server, service or infrastructure unavailable. An attack can take on different forms. It may saturate the server’s bandwidth to make it unreachable, or it may overwhelm the machine’s system resources, stopping it from responding to legitimate traffic.
Implementing a hybrid approach with dedicated on-premises and cloud-based resources to defend against volumetric, application, reflective and resource-exhaustive DDoS attacks.
Extending your security perimeters with multi-layered protection against DDoS attacks.
Developing an incident response team that can deploy additional resources to combat and remediate DDoS attacks when they occur.

During a DDoS attack, requests are sent in high numbers at the same time from multiple points on the internet. The intensity of this”crossfire “ renders the service unstable, and sometimes unavailable.

Protocol attacks utilize weaknesses in layer 3 and layer 4 of the ISO protocol stack to render the target inaccessible. These attacks, also known as a state-exhaustion attacks, cause a service disruption by consuming all the available state table capacity of web application servers, or of intermediate resources such as firewalls and load balancers.

 
More Info: dos attack vs ddos

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