2020-10-16 00:32:37 +08:00
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===
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nc
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===
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Check whether a remote TCP port is open
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=======================================
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.. admonition:: usage
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:class: cmdusage
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--osh nc [--host] HOST [--port] PORT [-w TIMEOUT]
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.. program:: nc
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.. option:: --host HOST
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Host or IP to attempt to connect to
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.. option:: --port PORT
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TCP port to attempt to connect to
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.. option:: -w SECONDS
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Timeout in seconds (default: 3)
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2021-04-14 19:37:30 +08:00
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2020-10-16 00:32:37 +08:00
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Note that this is not a full-featured ``netcat``, we just test whether a remote port is open. There is no way to exchange data using this command.
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