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tldr/pages/linux/ncat.md
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Co-authored-by: Lena <126529524+acuteenvy@users.noreply.github.com>

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Co-authored-by: Lena <126529524+acuteenvy@users.noreply.github.com>

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Co-authored-by: Wiktor Perskawiec <git@spageektti.cc>

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Co-authored-by: Lena <126529524+acuteenvy@users.noreply.github.com>
Co-authored-by: Wiktor Perskawiec <git@spageektti.cc>
2025-04-19 21:21:53 +00:00

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# ncat
> Read, write, redirect, and encrypt data across a network.
> An alternative implementation of a similar utility called `netcat`/`nc`.
> More information: <https://nmap.org/ncat/guide/index.html>.
- Listen for input on the specified port and write it to the specified file:
`ncat {{[-l|--listen]}} {{port}} > {{path/to/file}}`
- Accept multiple connections and keep ncat open after they have been closed:
`ncat {{[-lk|--listen --keep-open]}} {{port}}`
- Write output of specified file to the specified host on the specified port:
`ncat {{address}} {{port}} < {{path/to/file}}`
- Accept multiple incoming connections on an encrypted channel evading detection of traffic content:
`ncat --ssl {{[-k|--keep-open]}} {{[-l|--listen]}} {{port}}`
- Connect to an open `ncat` connection over SSL:
`ncat --ssl {{host}} {{port}}`
- Check connectivity to a remote host on a particular port with timeout:
`ncat {{[-w|--wait]}} {{seconds}} {{[-vz|--verbose -z]}} {{host}} {{port}}`