[l]isten on a specified [p]ort and print any data received
cryptcat -k password -l -p portConnect to a certain port
cryptcat -k password ip_address portSpecify the timeout ([w])
cryptcat -k password -w timeout_in_seconds ip_address portScan ([z]) the open ports of a specified host
cryptcat -v -z ip_address portAct as proxy and forward data from a local TCP port to the given remote host
cryptcat -k password -l -p local_port | cryptcat -k password hostname remote_port