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Intrusion detection

Watch network traffic or hosts for attacks, and report or block what matches.

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Intrusion detection
OutilÉtoilesLicenceConditionsAuto-hébergeableLangageDernière releaseDernier push
Fail2ban19kOtherOpen sourceOuiPython1.1.12026-09-28
CrowdSec15kMITOpen sourceOuiGov1.8.12026-10-05
Maltrail8.6kMITOpen sourceOuiPython3.42026-10-06
Zeek8.1kOtherOpen sourceOuiC++v9.0.02026-10-05
Arkime7.5kApache-2.0Open sourceOuiCv6.8.02026-10-05
Suricata6.7kGPL-2.0Open sourceOuiCsuricata-8.0.72026-10-04
OSSEC5.1kGPL-2.0Open sourceOuiC4.4.02026-10-05
Snort 33.4kOtherOpen sourceOuiC++3.12.2.02026-04-23
AIDE752GPL-2.0Open sourceOuiCv0.19.42026-09-22

9 outils

Fail2ban

Daemon to ban hosts that cause multiple authentication errors

Langage
Python
Licence
Other
Étoiles
19k
Dernière release
1.1.1
Dernier push
2026-09-28
CrowdSec

Open-source IDS/IPS, WAF and bot detection for Linux, Windows, Docker and Kubernetes, with a crowdsourced blocklist of malicious IPs.

Langage
Go
Licence
MIT
Étoiles
15k
Dernière release
v1.8.1
Dernier push
2026-10-05
Maltrail

Malicious traffic detection system

Langage
Python
Licence
MIT
Étoiles
8.6k
Dernière release
3.4
Dernier push
2026-10-06
Zeek

Zeek is a powerful network analysis framework that is much different from the typical IDS you may know.

Langage
C++
Licence
Other
Étoiles
8.1k
Dernière release
v9.0.0
Dernier push
2026-10-05
Arkime

Arkime is an open source, large scale, full packet capturing, indexing, and database system.

Langage
C
Licence
Apache-2.0
Étoiles
7.5k
Dernière release
v6.8.0
Dernier push
2026-10-05
Suricata

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine developed by the OISF and the Suricata community.

Langage
C
Licence
GPL-2.0
Étoiles
6.7k
Dernière release
suricata-8.0.7
Dernier push
2026-10-04
OSSEC

OSSEC is an Open Source Host-based Intrusion Detection System that performs log analysis, file integrity checking, policy monitoring, rootkit detection, real-time alerting and active response.

Langage
C
Licence
GPL-2.0
Étoiles
5.1k
Dernière release
4.4.0
Dernier push
2026-10-05
AIDE

aide source code

Langage
C
Licence
GPL-2.0
Étoiles
752
Dernière release
v0.19.4
Dernier push
2026-09-22

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