Suricata User Guide

• 1. What is Suricata
  • 1.1. About the Open Information Security Foundation
• 2. Quickstart guide
  • 2.1. Installation
  • 2.2. Basic setup
  • 2.3. Signatures
  • 2.4. Running Suricata
  • 2.5. Alerting
  • 2.6. EVE Json
• 3. Installation
  • 3.1. Source
  • 3.2. Binary packages
  • 3.3. Advanced Installation
• 4. Upgrading
  • 4.1. General instructions
  • 4.2. Upgrading 6.0 to 7.0
  • 4.3. Upgrading 5.0 to 6.0
  • 4.4. Upgrading 4.1 to 5.0
• 5. Command Line Options
  • 5.1. Unit Tests
• 6. Suricata Rules
  • 6.1. Rules Format
  • 6.2. Meta Keywords
  • 6.3. IP Keywords
  • 6.4. TCP keywords
  • 6.5. UDP keywords
  • 6.6. ICMP keywords
  • 6.7. Payload Keywords
  • 6.8. Changes from PCRE1 to PCRE2
  • 6.9. Transformations
  • 6.10. Prefiltering Keywords
  • 6.11. Flow Keywords
  • 6.12. Bypass Keyword
  • 6.13. HTTP Keywords
  • 6.14. File Keywords
  • 6.15. DNS Keywords
  • 6.16. SSL/TLS Keywords
  • 6.17. SSH Keywords
  • 6.18. JA3 Keywords
  • 6.19. Modbus Keyword
  • 6.20. DCERPC Keywords
  • 6.21. DHCP keywords
  • 6.22. DNP3 Keywords
  • 6.23. ENIP/CIP Keywords
  • 6.24. FTP/FTP-DATA Keywords
  • 6.25. Kerberos Keywords
  • 6.26. SMB Keywords
  • 6.27. SNMP keywords
  • 6.28. Base64 keywords
  • 6.29. SIP Keywords
  • 6.30. RFB Keywords
  • 6.31. MQTT Keywords
  • 6.32. IKE Keywords
  • 6.33. HTTP2 Keywords
  • 6.34. Quic Keywords
  • 6.35. Generic App Layer Keywords
  • 6.36. Xbits Keyword
  • 6.37. Thresholding Keywords
  • 6.38. IP Reputation Keyword
  • 6.39. IP Addresses Match
  • 6.40. Config Rules
  • 6.41. Datasets
  • 6.42. Lua Scripting for Detection
  • 6.43. Differences From Snort
• 7. Rule Management
  • 7.1. Rule Management with Suricata-Update
  • 7.2. Adding Your Own Rules
  • 7.3. Rule Reloads
  • 7.4. Rules Profiling
• 8. Making sense out of Alerts
• 9. Performance
  • 9.1. Runmodes
  • 9.2. Packet Capture
  • 9.3. Tuning Considerations
  • 9.4. Hyperscan
  • 9.5. High Performance Configuration
  • 9.6. Statistics
  • 9.7. Ignoring Traffic
  • 9.8. Packet Profiling
  • 9.9. Rule Profiling
  • 9.10. Tcmalloc
  • 9.11. Performance Analysis
• 10. Configuration
  • 10.1. Suricata.yaml
  • 10.2. Global-Thresholds
  • 10.3. Exception Policies
  • 10.4. Snort.conf to Suricata.yaml
  • 10.5. Multi Tenancy
  • 10.6. Dropping Privileges After Startup
  • 10.7. Using Landlock LSM
  • 10.8. systemd notification
• 11. Reputation
  • 11.1. IP Reputation
• 12. Init Scripts
• 13. Setting up IPS/inline for Linux
  • 13.1. Setting up IPS with Netfilter
  • 13.2. Setting up IPS at Layer 2
• 14. Setting up IPS/inline for Windows
• 15. Output
  • 15.1. EVE
  • 15.2. Lua Output
  • 15.3. Syslog Alerting Compatibility
  • 15.4. Custom http logging
  • 15.5. Custom tls logging
  • 15.6. Log Rotation
• 16. Lua support
  • 16.1. Lua usage in Suricata
  • 16.2. Lua functions
• 17. File Extraction
  • 17.1. Architecture
  • 17.2. Settings
  • 17.3. Output
  • 17.4. Rules
  • 17.5. MD5
  • 17.6. Updating Filestore Configuration
• 18. Public Data Sets
• 19. Using Capture Hardware
  • 19.1. Endace DAG
  • 19.2. Napatech
  • 19.3. Myricom
  • 19.4. eBPF and XDP
  • 19.5. Netmap
  • 19.6. AF_XDP
• 20. Interacting via Unix Socket
  • 20.1. Introduction
  • 20.2. Commands in standard running mode
  • 20.3. Commands on the cmd prompt
  • 20.4. PCAP processing mode
  • 20.5. Build your own client
• 21. 3rd Party Integration
  • 21.1. Symantec SSL Visibility (BlueCoat)
• 22. Man Pages
  • 22.1. Suricata
  • 22.2. Suricata Socket Control
  • 22.3. Suricata Control
  • 22.4. Suricata Control Filestore
• 23. Acknowledgements
• 24. Licenses
  • 24.1. GNU General Public License
  • 24.2. Creative Commons Attribution-NonCommercial 4.0 International Public License
  • 24.3. Suricata Source Code
  • 24.4. Suricata Documentation
• 25. Suricata Developer Guide
  • 25.1. Working with the Codebase
  • 25.2. Suricata Internals
  • 25.3. Extending Suricata