![]() Note that this behavior isĭifferent from most other applications which shut everything down and exitĪfter an end-of-file on the standard input. Network side of the connection shuts down. Is then sent to the host, and anything that comes back across the connection In the simplest usage, "nc host port" creates a TCPĬonnection to the given port on the given target host. Supplied long ago as another one of those cryptic but standard Unix tools. Netcat, or "nc" as the actual program is named, should have been At the same time, it is a feature-rich networkĭebugging and exploration tool, since it can create almost any kind ofĬonnection you would need and has several interesting built-in capabilities. Reliable "back-end" tool that can be used directly or easily drivenīy other programs and scripts. Network connections, using TCP or UDP protocol. ![]() nc -l -p port DESCRIPTION ¶ netcat is a simple unix utility which reads and writes data across
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