IntroductionWhile studying Nmap, I came across the mechanism known as the TCP "3-way handshake."The 3-way handshake is a ...

A SYN flood attack is a type of denial-of-service (DoS) attack on a computer server. This exploit is also known as a half-open attack. SYN floods are one of several common vulnerabilities that use TCP ...

SYN scanning is a tactic that a malicious hacker can use to determine the state of a communications port without establishing a full connection. This approach, one of the oldest in the repertoire of ...

Last August, academic researchers discovered a potent new method for knocking sites offline: a fleet of misconfigured servers more than 100,000 strong that can amplify floods of junk data to ...

The specific type of TCP attack used in the recent spate of DDoS efforts were TCP SYN-ACK reflection attacks. The last 30 days has seen a renewed increase in distributed denial-of-service (DDoS) ...

The procedure that takes place between two TCP/IP nodes to establish a connection. Known as the "SYN, SYN-ACK, ACK handshake," computer A transmits a SYNchronize packet to computer B, which sends back ...

An assault on a network that prevents a TCP/IP server from servicing other users. It is accomplished by not sending the final acknowledgment to the server's SYN-ACK response (SYNchronize-ACKnowledge) ...