All the tables provided in the cheat sheets are also presented in tables below which are easy to copy and paste.

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The Snort Cheat Sheet covers:

  • Sniffer mode, Packet logger mode, and NIDS mode operation
  • Snort rules format
  • Logger mode command line options
  • NIDS mode options
  • Alert and rule examples

View or Download the cheat sheet PDF file

Download the cheat sheet PDF file here. When it opens in a new browser tab, simply right click on the PDF and navigate to the download menu.

What’s included in this cheat sheet

The following categories and items have been included in the cheat sheet:

Sniffer Mode

Packet Logger Mode

NIDS Mode

Snort rules format

Logger mode command line options

NIDS mode options

Snort rule example

Output Default Directory

rules to process captured packets

  • Packet Sniffer – Reads packets from the network and displays them in the Snort console
  • Packet Logger – Reads packets from the network and writes them to a file
  • NIDS – Network intrusion detection system that applies rules to scan through packets