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snort

Open-source network intrusion detection system. More information: https://www.snort.org/#documents.

  • Capture packets with verbose output:

sudo snort -v -i {{interface}}

  • Capture packets and dump application layer data with verbose output:

sudo snort -vd -i {{interface}}

  • Capture packets and display link layer packet headers with verbose output:

sudo snort -ve -i {{interface}}

  • Capture packets and save them in the specified directory:

sudo snort -i {{interface}} -l {{path/to/directory}}

  • Capture packets according to rules and save offending packets along with alerts:

sudo snort -i {{interface}} -c {{path/to/rules.conf}} -l {{path/to/directory}}