14 lines
226 B
Markdown
14 lines
226 B
Markdown
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# Port Knocking
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* Open filtered port behind a firewall by knocking nicely
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## Usage
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* `knockd`
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```sh
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knock <target-IP> <magicWords>
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```
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or
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* [arch wiki nmap script](https://wiki.archlinux.org/title/Port_knocking)
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* `nc -z`
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