| Is a system utility which reads and writes data across network connections, using either the TCP or UDP protocols. Netcat is designed to be a reliable "back-end" tool that can be used directly or easily driven by other programs and scripts. The program has many features, some of which are: outbound and inbound connections on any port using TCP or UDP, full forward and reverse DNS checking, built-in port-scanning capabilities, hex dumping of transmitted and received data, and telnet-options responder. |