Syn Flood Syn flood program sends out a large number of syn packets to a destination host such that the destination host gets under heavy pressure to reply to all of them and hence consumes huge amount of memory/cpu resources without any real purpose. This causes the services of the remote host to become unavailable… Read More »
Syn flood and raw sockets A syn flood program sends out large number of tcp syn packets to a remote host on a particular port number. Syn packets are intended to initiate a tcp connection. However if a large number of syn packets are send without any purpose, then then it would consume a lot… Read More »
TCP/IP 3-way handshake is done to establish a connection between a client and a server. The process is : 1. Client –SYN Packet–> Server 2. Server –SYN/ACK Packet –> Client 3. Client –ACK Packet –> Server The above 3 steps are followed to establish a connection between source and destination. SYN Flood DOS attacks involves… Read More »