Inside the TCP Handshake
Explore the TCP handshake process integral to establishing reliable connections and discover how to use this mechanism with Scapy to create SYN scanners that identify open ports and listening services.
We'll cover the following...
We'll cover the following...
Introduction to port scanning
The concept of port scanning itself is based on the operation of the Transmission Control Protocol (TCP) and its counterpart, the User Datagram Protocol (UDP). While an IP address uniquely identifies a computer, these protocols define ports that allow communication with specific applications on a computer.
Port scanning is designed to identify which ports are open on a ...