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WAFER

WAF Analysis Framework for Evasive Recognition. Detect and fingerprint protective layers.

WAFER is a practical security tool designed to detect and fingerprint Web Application Firewalls by analyzing response behavior and enforcement patterns. Instead of relying solely on static signatures, WAFER actively probes the target application and observes how requests are filtered, blocked, or modified. The goal of WAFER is to help security engineers, penetration testers, and researchers quickly understand what protective layer stands in front of a web application and how it behaves under different request patterns.

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WAF Detection
Active Probing
Cross Platform
Fast CLI Tool

Core Features

Accurate WAF Detection

Identifies the presence of a Web Application Firewall by analyzing request and response behavior rather than relying only on static fingerprints.

WAF Fingerprinting

Attempts to recognize the WAF vendor or implementation based on response patterns, headers, and blocking behavior.

Behavior Based Analysis

Uses active probing techniques to observe how the target reacts to different payloads and request variations.

Cross Platform Support

Builds and runs on Linux, macOS, and Windows with support for multiple architectures.

High Performance CLI Tool

Optimized for speed and low resource usage, suitable for integration into automated pipelines.

Typical Use Cases

Identifying WAF layers during penetration testing
Validating WAF deployment in staging and production environments
Security research and behavior analysis of WAF products
Integrating WAF detection into automated security tooling and CI pipelines
Clean and Actionable Output for reporting

Changes Log

v0.1.2-beta Latest
January 31, 2026
  • First public beta release.
  • Refactored the native CLI interface to use a Bubble Tea based TUI for a more interactive and responsive user experience.
  • Performed comprehensive re testing to validate functionality and stability after the UI refactor.
v0.0.1-alpha
January 30, 2026
  • Initial alpha release of WAFER.
  • Initial MVP feature: WAF fingerprinting for major vendors.
  • Native cross-platform CLI tool.

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WAFER is built with passion and offered for free. If it saves you time or makes your workflow better, consider showing your support. Every contribution helps keep this project alive and growing.

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