It is also a well known protocol for performing powerful DDoS attacks. The most common are: 1- Smurf Attack (using ICMP), 2- Fraggle Attack (using UDP ECHO & CHARGEN services), 3- DNS amplification (using DNS/UDP).ĭNS is a protocol mainly using UDP (and only UDP at the beginning) for low code format, network consumption and performance ratio. ![]() For obvious technical reasons, some protocols are not connected and are used mainly for testing or network service functioning, making them good vectors for DDoS attacks. ![]() When using firewalls, IP routing rules, IPS, WAF or even reverse proxy, single-source DOS are more simple to stop than DDoS. By involving numerous sources initiating the attack to the attack pattern itself, the target will have far more difficulty stopping the sources. ![]() Distributed Denial-of-Service attack is a specific way to tear down a remote service by sending to it attacks from multiple points of the network.
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