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ngrep

Filter network traffic packets using regular expressions.

  • Capture traffic of all interfaces:

ngrep -d any

  • Capture traffic of a specific interface:

ngrep -d {{eth0}}

  • Capture traffic crossing port 22 of interface eth0:

ngrep -d {{eth0}} port {{22}}

  • Capture traffic from or to a host:

ngrep host {{www.example.com}}

  • Filter keyword 'User-Agent:' of interface eth0:

ngrep -d {{eth0}} '{{User-Agent:}}'

Фото nginx
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nginx
Фото nice
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nice