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30 lines
584 B
Plaintext
30 lines
584 B
Plaintext
---
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syntax: markdown
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tags: [tldr, common]
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source: https://github.com/tldr-pages/tldr.git
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---
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# ngrep
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> Filter network traffic packets using regular expressions.
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> More information: <https://github.com/jpr5/ngrep>.
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- Capture traffic of all interfaces:
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`ngrep -d any`
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- Capture traffic of a specific interface:
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`ngrep -d {{eth0}}`
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- Capture traffic crossing port 22 of interface eth0:
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`ngrep -d {{eth0}} port {{22}}`
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- Capture traffic from or to a host:
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`ngrep host {{www.example.com}}`
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- Filter keyword 'User-Agent:' of interface eth0:
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`ngrep -d {{eth0}} '{{User-Agent:}}'`
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