Just sayin' you can do something like this in bash out of the box... Don't let me spoil the party though, the more the merrier.<p><a href="https://www.gnu.org/software/bash/manual/html_node/Redirections.html" rel="nofollow">https://www.gnu.org/software/bash/manual/html_node/Redirecti...</a><p>"/dev/tcp/host/port
If host is a valid hostname or Internet address, and port is an integer port number or service name, Bash attempts to open the corresponding TCP socket.<p>/dev/udp/host/port
If host is a valid hostname or Internet address, and port is an integer port number or service name, Bash attempts to open the corresponding UDP socket."<p>I've got an example of a "practical" way to use it in an answer I did over here <a href="https://superuser.com/questions/563083/how-to-transfer-files-over-ssh-while-already-sshd-into-the-server/1632961#1632961" rel="nofollow">https://superuser.com/questions/563083/how-to-transfer-files...</a>