ncat

Nmap’s netcat

high risk

interactive breakdown — edit the command and press Explain
$ 
⚠ Risks & cautions
What it does

Netcat with TLS and access-control support.

Common flags
FlagMeaning
--ssl --sslTLS
--allow --allowRestrict clients
-eExecute a command on connect⚠ Remote shell exposure.
Examples
ncat --ssl -lvp 4444TLS listener · explain & risk-check →
Related
nc socat
Open the full explainer →More in Networking

Reference text is hand-written and may be incomplete — check man ncat for your version. Test destructive commands on a non-production system first.