Cryptcat is netcat with encryption capabilities. More information: http://cryptcat.sourceforge.net.
cryptcat -k {{password}} -l -p {{port}}
cryptcat -k {{password}} {{ip_address}} {{port}}
cryptcat -k {{password}} -w {{timeout_in_seconds}} {{ip_address}} {{port}}
cryptcat -v -z {{ip_address}} {{port}}
cryptcat -k {{password}} -l -p {{local_port}} | cryptcat -k {{password}} {{hostname}} {{remote_port}}