======Applications - Networking - netcat======



=====Articles/Blogposts======

[[https://www.igorkromin.net/index.php/2018/07/12/macos-has-a-much-better-tool-than-telnet-for-testing-remote-server-connectivity/|Igor Kromin - macOS has a much better tool than telnet for testing remote server connectivity]]. In short: use "nc -vz HOSTNAME" to test if a port is reachable.