Netcat lets you read from and write to network connections using TCP or UDP, enabling simple tasks like checking if a specific port on a computer is open and reachable (port scanning), transferring ...

Is it possible to send an email from a host that has no email client software installed? As long as you have netcat, of course it is! Netcat (/usr/bin/nc on Red Hat Enterprise Linux systems) is a ...

The final part of this three-part series shows you not only how to disable the firewall using netcat and iperf, but how to test Apposite's new virtual WAN emulator. This is the third and final article ...