ModSecurity

ModSecurity is an open source, cross platform web application firewall (WAF) engine for Apache, IIS and Nginx. It has a robust event-based programming language which provides protection from a range of attacks against web applications and allows for HTTP traffic monitoring, logging and real-time analysis.

BunkerWeb. 1 alternatives to ModSecurity, in Python. Compare fit, licence, stars and the latest signed release.

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1 open source alternative to ModSecurity
Tool	Fit	Stars	Licence	Terms	Self-hosted	Language	Latest	Last push
BunkerWeb	Partial	11k	AGPL-3.0	Open source	Yes	Python	v1.6.16	2026-10-16

Every alternative

1 alternative

BunkerWeb Partial

🛡️ Open-source and cloud-native Web Application Firewall (WAF)

Bundles ModSecurity with the core rules and adds bot and rate limiting plus a web UI.

Language: Python
Licence: AGPL-3.0
Stars: 11k
Latest: v1.6.16
Last push: 2026-10-16

About ModSecurity

Language: C++
Licence: Apache-2.0
Stars: 9.8k
Last push: 2026-10-15

About ModSecurity →