Documents

The following setup guides have been contributed by members of the Snort Community for your use. Comments and questions on these documents should be submitted directly to the author by clicking on their names below.

Snort 3 Setup Guides
Snort 3.1.0.0 on OracleLinux 8
Yaser Mansour
Rules Writers Guide to Snort 3 Rules
Yaser Mansour
Snort 3.0.0-a4 on OpenSuSe 42.3
Boris Gomez
Snort 3 Multiple Packet Threads Processing
Yaser Mansour
Snort 3.1.0.0 on CentOS Stream
Yaser Mansour
Snort 3 on FreeBSD 11
Yaser Mansour
Snort Deployment Guides
Snort IPS using DAQ AFPacket
Yaser Mansour
Changing from IDS to IPS with NFQueue
James Lay
RSyslog rate limiting configuration
William Parker
How to make some Home Routers mirror traffic to Snort
William Parker
Snort IPS Tutorial
Vladimir Koychev
Snort Related Whitepapers
Optimization of Pattern Matches for IDS
Marc Norton
Target Based Fragmentation Reassembly
Judy Novak
Inline Normalization using Snort 2.9.0
Russ Combs
Using Perfmon and Performance Profiling to Tune Snort Preprocessors and Rules
Steve Sturges
HTTP Evasions Revisited
Daniel Roelker
VRT Methodology Whitepaper
Vulnerability Research Team (VRT)
Target Based Stream Reassembly
Judy Novak
Snort Setup Guides
Snort 2.9.0.x with PF_RING inline deployment
Metaflows Google Group
Snort 2.9.16.1 on CentOS8
Milad Rezaei
Snort 3.1.18.0 on Ubuntu 18 & 20
Noah Dietrich
Snort 2.9.9.x on OpenSuSE Leap 42.2
Boris Gomez
Webcast Slides
OpenAppId Community Webinar
Costas Kleopa
Using the Host Attribute Table in Snort
Intro to Snort
Ed Mendez
Introduction to Snort: Part 1
Nick Moore
Writing Effective Rules, Part II
Matt Olney
Open Source Community Webinar
Joel Esler
Effective Problem Reporting: How to Get Your Problems Noticed and Fixed
Writing Effective Rules, Part I
Matt Olney
OpenAppId Detection Webinar
Costas Kleopa
Using Multiconfig
John Gay
Performance Tuning: Rules & Preprocessors
Pimp My Snort
Leon Ward
Snort Tuning 101
Nick Moore
Preprocessor Documentation

All preprocessor docs from the Snort tarball are linked here for simple indexing and reading. Download these documents individually from the snort-faq repository.


README.GTP
README.PLUGINS
README.PerfProfiling
README.SMTP
README.UNSOCK
README.active
README.alert_order
README.asn1
README.counts
README.csv
README.daq
README.dcerpc2
README.decode
README.decoder_preproc_rules
README.dnp3
README.dns
README.event_queue
README.file
README.file_ips
README.filters
README.flowbits
README.frag3
README.ftptelnet
README.gre
README.ha
README.http_inspect
README.imap
README.ipip
README.ipv6
README.modbus
README.multipleconfigs
README.normalize
README.ppm
README.reload
README.reputation
README.rzb_saac
README.sensitive_data
README.sfportscan
README.sip
README.ssh
README.ssl
README.stream5
README.tag
README.thresholding
README.unified2
README.variables
README.pop
README.pcap_readmode
Latest rule documents - Search
1-60618
This rule looks for a malicious mmap on ARM that targets an overflow.
1-60617
This rule looks for a malicious mmap on ARM that targets an overflow.
1-60616
This looks for a malicious x86 syscall that can be used to elevate privilege on Linux kernel 3 instances. This perf event syscall suffers from an incorrectly typed value that can lead to memory corruption.
1-60615
This looks for a malicious x86 syscall that can be used to elevate privilege on Linux kernel 3 instances. This perf event syscall suffers from an incorrectly typed value that can lead to memory corruption.
1-60614
This rule is triggered when a malicious actor uses methods and directories associated with exploitation of CVE-2019-0841, CVE-2019-1064, CVE-2019-1129 and / or CVE-2019-1130.
1-60613
This rule is triggered when a malicious actor uses methods and directories associated with exploitation of CVE20190841, CVE20191064, CVE20191129 and / or CVE20191130.