Quickly learn the definitions and functions of key networking technologies, and how NETSCOUT incorporates these technologies into products and solutions. These pages can help you understand benefits, what you can do with the technology, and how it works, with links to additional resources.

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DNS Reflection/Amplification DDoS Attacks
DNS reflection/amplification DDoS attacks elicit very large responses from DNS servers, resulting in a denial of services and data inaccessibility.
3 min
Why are DDoS attacks so dangerous?
DDoS represents a significant threat to business continuity. As organizations have grown more dependent on the Internet and web-based applications and services, availability has...
4 min
What Is An IPSec Flood DDoS Attack?
Denial-of-Service (DoS) flooding attacks against IPSec were common a few years ago, but are now largely ineffective.
3 min
IP/ICMP Fragmentation Attacks
Find out more about Internet Protocol (IP)/Internet Control Message Protocol (ICMP) fragmentation, a common form of denial of service (DoS) attack.
5 min
ICMP Flood DDoS Attacks
Learn more about how to keep your organization safe from Internet Control Message Protocol (ICMP) flood DDoS attacks, also known as a Ping flood attacks.
4 min
What is A NXDOMAIN or DNS Water Torture DDoS Attack?
What is NXDOMAIN and how can it be exploited? Find out more about how to prevent DNS NXDOMAIN flood DDoS attacks, where the attacker overwhelms the Domain Name System (DNS) server.
3 min
Low and Slow DDoS Attacks

A Low and Slow DDoS attack, also known as a slow-rate attack, involves what appears to be legitimate traffic at a very slow rate. This type of state exhaustion DDoS attack targets...

3 min
Large Payload Post DDoS Attacks
Find out more about Large Payload Post attacks, a form of HTTP DDoS attack that abuses XML encoding used by webservers.
3 min
Mimicked User Browsing DDoS Attacks
Find out more about mimicked user browsing, a form of DDoS attack that involves botnets posing as legitimate internet traffic.
3 min
HTTP Flood DDoS Attacks
Learn more about HTTP flood DDoS attacks, where attackers use what appear to be legitimate HTTP GET or POST requests to attack a web server or application.
3 min
Slow Read DDoS Attacks
Find out more about Slow Read DDoS attacks and learn how to keep your network safe from these increasingly common threats.
3 min
Slow Post Attacks
Learn more about Slow Post DDoS attacks, where attackers send legitimate HTTP POST headers to Web servers at a painfully slow speed.
4 min
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