# Snort

> free software intrusion prevention system

**Wikidata**: [Q1332255](https://www.wikidata.org/wiki/Q1332255)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Snort_(software))  
**Source**: https://4ort.xyz/entity/snort

## Summary
Snort is a free software intrusion prevention system that detects and prevents threats in network traffic. Developed by Martin Roesch and later acquired by Cisco, it operates as a cross-platform network security tool.

## Key Facts
- Snort is a free software intrusion prevention system licensed under the GNU General Public License
- Founded by Martin Roesch and developed by Cisco and Sourcefire
- Runs on both Microsoft Windows and Unix-like operating systems as cross-platform software
- Versions include 2.9.7.3 (released 2015-05-19) through 3.0.0-242 (released 2018-01-29)
- The source code is hosted on GitHub at https://github.com/snort3/snort3
- Categorized as both free software and an intrusion detection system

## FAQs
### Q: What operating systems does Snort run on?
A: Snort runs on Microsoft Windows as well as Unix-like operating systems, and is available as cross-platform software.

### Q: Who developed Snort?
A: Snort was founded by Martin Roesch and is developed by Cisco and Sourcefire.

### Q: What is the license for Snort?
A: Snort is licensed under the GNU General Public License, making it free software that allows users to freely run, study, change and distribute it.

### Q: Is Snort still being updated?
A: Yes, versions have been released continuously from 2015 to at least 2018, including 2.9.7.3 (2015) and 3.0.0-242 (2018).

## Why It Matters
Snort has been a foundational tool in network security for decades, serving as one of the most widely deployed intrusion detection and prevention systems. Its open-source nature has made it accessible to organizations of all sizes, from small businesses to large enterprises. As a cross-platform solution, it has enabled consistent security monitoring across diverse IT environments. Snort's impact extends beyond its direct use, as it has influenced the development of other security tools and established best practices for network intrusion detection.

## Notable For
- Being one of the most widely deployed open-source intrusion detection systems
- Its cross-platform compatibility allowing deployment on various operating systems
- Continuous development with regular version updates spanning multiple years
- Having a strong presence across different Linux distributions and package managers

## Body
### Overview
Snort is a free software intrusion prevention system that detects and prevents threats in network traffic. It was founded by Martin Roesch and developed by Cisco and Sourcefire.

### Technical Specifications
- **License**: GNU General Public License
- **Platform**: Cross-platform
- **Operating Systems**: Microsoft Windows, Unix-like operating systems

### Version History
- 2.9.7.3 (released 2015-05-19)
- 2.9.8.2 (released 2016-03-29)
- 2.9.11.0 (stable version released 2017-10-11)
- 2.9.11.1 (stable version released 2017-12-06)
- 2.9.13.0 (stable version released 2019-04-11)
- 3.0.0-233 (released 2017-05-11)
- 3.0.0-239 (released 2017-07-26)
- 3.0.0-240 (released 2017-10-31)
- 3.0.0-241 (released 2017-12-14)
- 3.0.0-242 (released 2018-01-29)

### Distribution
Snort is available through various package managers:
- AUR: snort
- Fedora: snort
- Gentoo: net-analyzer/snort
- Ubuntu: snort
- Debian stable: snort
- Homebrew: snort
- Chocolatey Community: snort
- FreeBSD: security/snort3, security/snort
- OpenBSD: net/snort
- NetBSD: net/snort
- MacPorts: snort
- SlackBuilds: libraries/daq

### Resources
- Official Website: https://www/snort.org/
- Source Code Repository: https://github.com/snort3/snort3
- Wikipedia: Snort (software)
- Wikimedia Commons: Special:FilePath/Snort_ids_console.gif

## References

1. [Source](http://blog.snort.org/2015/05/snort-2973-is-now-available.html)
2. [Snort 2.9.8.2 has been released!](http://blog.snort.org/2016/03/snort-2982-has-been-released.html)
3. [Source](http://blog.snort.org/2017/10/snort-29110-has-been-released.html)
4. [2017-12-06 - Snort 2.9.11.1](https://snort-org-site.s3.amazonaws.com/production/release_files/files/000/006/861/original/release_notes_2.9.11.1.txt?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=AKIAIXACIED2SPMSC7GA%2F20180611%2Fus-east-1%2Fs3%2Faws4_request&X-Amz-Date=20180611T205940Z&X-Amz-Expires=3600&X-Amz-SignedHeaders=host&X-Amz-Signature=13f6c84ef35eb062512fceba560986d3bbfb760aa6e3202200bd0e4fe60a8618)
5. [Snort 2.9.13.0 has been released](https://blog.snort.org/2019/04/snort-29130-has-been-released.html)
6. [Release 3.0.0-233. 2017](https://github.com/snort3/snort3/releases/tag/3.0.0-233)
7. [Release 3.0.0-239. 2017](https://github.com/snort3/snort3/releases/tag/3.0.0-239)
8. [Release 3.0.0-240. 2017](https://github.com/snort3/snort3/releases/tag/3.0.0-240)
9. [Release 3.0.0-241. 2017](https://github.com/snort3/snort3/releases/tag/3.0.0-241)
10. [Release 3.0.0-242. 2018](https://github.com/snort3/snort3/releases/tag/3.0.0-242)
11. [Release 3.0.0-243. 2018](https://github.com/snort3/snort3/releases/tag/3.0.0-243)
12. [Release 3.0.0-247. 2018](https://github.com/snort3/snort3/releases/tag/3.0.0-247)
13. [Release 3.0.0-249. 2018](https://github.com/snort3/snort3/releases/tag/3.0.0-249)
14. [Release 3.0.0-250. 2018](https://github.com/snort3/snort3/releases/tag/3.0.0-250)
15. [Release 3.0.0-251. 2019](https://github.com/snort3/snort3/releases/tag/3.0.0-251)
16. [Release 3.0.0-252. 2019](https://github.com/snort3/snort3/releases/tag/3.0.0-252)
17. [Release 3.0.0-253. 2019](https://github.com/snort3/snort3/releases/tag/3.0.0-253)
18. [Release 3.0.0-254. 2019](https://github.com/snort3/snort3/releases/tag/3.0.0-254)
19. [Release 3.0.0-255. 2019](https://github.com/snort3/snort3/releases/tag/3.0.0-255)
20. [Release 3.0.0-257. 2019](https://github.com/snort3/snort3/releases/tag/3.0.0-257)
21. [Release 3.0.0-258. 2019](https://github.com/snort3/snort3/releases/tag/3.0.0-258)
22. [Release 3.0.0-244. 2018](https://github.com/snort3/snort3/releases/tag/3.0.0-244)
23. [Release 3.0.0-245. 2018](https://github.com/snort3/snort3/releases/tag/3.0.0-245)
24. [Release 3.0.0-246. 2018](https://github.com/snort3/snort3/releases/tag/3.0.0-246)
25. [Release 3.0.0-248. 2018](https://github.com/snort3/snort3/releases/tag/3.0.0-248)
26. [Release 3.0.0-256. 2019](https://github.com/snort3/snort3/releases/tag/3.0.0-256)
27. [Release 3.0.0-259. 2019](https://github.com/snort3/snort3/releases/tag/3.0.0-259)
28. [Release 3.0.0-260. 2019](https://github.com/snort3/snort3/releases/tag/3.0.0-260)
29. [Release 3.0.0-261. 2019](https://github.com/snort3/snort3/releases/tag/3.0.0-261)
30. [Release 3.0.0-262. 2019](https://github.com/snort3/snort3/releases/tag/3.0.0-262)
31. [Release 3.0.0-263. 2019](https://github.com/snort3/snort3/releases/tag/3.0.0-263)
32. [Release 3.0.0-264. 2019](https://github.com/snort3/snort3/releases/tag/3.0.0-264)
33. [Release 3.0.0-265. 2019](https://github.com/snort3/snort3/releases/tag/3.0.0-265)
34. [Release 3.0.0-266. 2019](https://github.com/snort3/snort3/releases/tag/3.0.0-266)
35. [Release 3.0.0-267. 2019](https://github.com/snort3/snort3/releases/tag/3.0.0-267)
36. [Release 3.0.0-268. 2020](https://github.com/snort3/snort3/releases/tag/3.0.0-268)
37. [Release 3.0.0-269. 2020](https://github.com/snort3/snort3/releases/tag/3.0.0-269)
38. [Release 3.0.0-270. 2020](https://github.com/snort3/snort3/releases/tag/3.0.0-270)
39. [Release 3.0.1-1. 2020](https://github.com/snort3/snort3/releases/tag/3.0.1-1)
40. [Release 3.0.1-2. 2020](https://github.com/snort3/snort3/releases/tag/3.0.1-2)
41. [Release 3.0.1-3. 2020](https://github.com/snort3/snort3/releases/tag/3.0.1-3)
42. [Release 3.0.1-4. 2020](https://github.com/snort3/snort3/releases/tag/3.0.1-4)
43. [Release 3.0.1-5. 2020](https://github.com/snort3/snort3/releases/tag/3.0.1-5)
44. [Release 3.0.2-1. 2020](https://github.com/snort3/snort3/releases/tag/3.0.2-1)
45. [Release 3.0.2-2. 2020](https://github.com/snort3/snort3/releases/tag/3.0.2-2)
46. [Release 3.0.2-3. 2020](https://github.com/snort3/snort3/releases/tag/3.0.2-3)
47. [Release 3.0.2-4. 2020](https://github.com/snort3/snort3/releases/tag/3.0.2-4)
48. [Release 3.0.2-5. 2020](https://github.com/snort3/snort3/releases/tag/3.0.2-5)
49. [Release 3.0.2-6. 2020](https://github.com/snort3/snort3/releases/tag/3.0.2-6)
50. [Release 3.0.3-1. 2020](https://github.com/snort3/snort3/releases/tag/3.0.3-1)