PHPackages                             slavlee/waf - PHPackages - PHPackages  [Skip to content](#main-content)[PHPackages](/)[Directory](/)[Categories](/categories)[Trending](/trending)[Leaderboard](/leaderboard)[Changelog](/changelog)[Analyze](/analyze)[Collections](/collections)[Log in](/login)[Sign up](/register)

1. [Directory](/)
2. /
3. [Security](/categories/security)
4. /
5. slavlee/waf

ActiveTypo3-cms-extension[Security](/categories/security)

slavlee/waf
===========

Web Application Firewall for TYPO3 CMS.

02PHP

Since Mar 29Pushed 2y ago1 watchersCompare

[ Source](https://github.com/slavlee/waf)[ Packagist](https://packagist.org/packages/slavlee/waf)[ RSS](/packages/slavlee-waf/feed)WikiDiscussions main Synced 1mo ago

READMEChangelogDependenciesVersions (3)Used By (0)

Web Application Firewall for TYPO3 CMS
======================================

[](#web-application-firewall-for-typo3-cms)

This is a native TYPO3 extension to increase security of TYPO3 websites. Currently the main focus is to block suspicious HTTP requests in the frontend.

2 Usage
-------

[](#2-usage)

### 2.1 Installation

[](#21-installation)

#### Installation as extension from TYPO3 Extension Repository (TER)

[](#installation-as-extension-from-typo3-extension-repository-ter)

Download and install the [extension](https://extensions.typo3.org/extension/waf) with the extension manager module.

#### 2.2 Installation with composer

[](#22-installation-with-composer)

composer req slavlee/waf

### 2.2 Configuration

[](#22-configuration)

After installing the extenions you need to do the following steps:

1. Admin Tools -> Maintenance -> Flush Injection Cache
2. Admin Tools -> Settings -> Configure extensions -> waf. Do your changes and press save.

3 Documentations
----------------

[](#3-documentations)

[Testing Documentation](Documentation/Testing/Index.md)

4 Changelog
-----------

[](#4-changelog)

The changelogs can be found inside the CHANGES.md file.

5 Final words
-------------

[](#5-final-words)

I give my best to make TYPO3 websites as secure as possible. Unfortunately I can't promise or guarantee that your site will be 100% secure. You are still responsible for your website. Please be aware that this WAF my also block valid requests, there is on option to exlude arguments or urls at the moment.

###  Health Score

13

—

LowBetter than 1% of packages

Maintenance20

Infrequent updates — may be unmaintained

Popularity2

Limited adoption so far

Community7

Small or concentrated contributor base

Maturity22

Early-stage or recently created project

 Bus Factor1

Top contributor holds 100% of commits — single point of failure

How is this calculated?**Maintenance (25%)** — Last commit recency, latest release date, and issue-to-star ratio. Uses a 2-year decay window.

**Popularity (30%)** — Total and monthly downloads, GitHub stars, and forks. Logarithmic scaling prevents top-heavy scores.

**Community (15%)** — Contributors, dependents, forks, watchers, and maintainers. Measures real ecosystem engagement.

**Maturity (30%)** — Project age, version count, PHP version support, and release stability.

### Community

Maintainers

![](https://www.gravatar.com/avatar/cff6d8de81f82ccdd6ede8c23365e36c3fc643a7835991a24129e72c9cc61777?d=identicon)[slavlee](/maintainers/slavlee)

---

Top Contributors

[![slavlee](https://avatars.githubusercontent.com/u/40547171?v=4)](https://github.com/slavlee "slavlee (35 commits)")

### Embed Badge

![Health badge](/badges/slavlee-waf/health.svg)

```
[![Health](https://phpackages.com/badges/slavlee-waf/health.svg)](https://phpackages.com/packages/slavlee-waf)
```

###  Alternatives

[defuse/php-encryption

Secure PHP Encryption Library

3.9k162.4M214](/packages/defuse-php-encryption)[roave/security-advisories

Prevents installation of composer packages with known security vulnerabilities: no API, simply require it

2.9k97.3M6.4k](/packages/roave-security-advisories)[mews/purifier

Laravel 5/6/7/8/9/10 HtmlPurifier Package

2.0k16.7M113](/packages/mews-purifier)[robrichards/xmlseclibs

A PHP library for XML Security

41278.1M118](/packages/robrichards-xmlseclibs)[bjeavons/zxcvbn-php

Realistic password strength estimation PHP library based on Zxcvbn JS

86917.5M63](/packages/bjeavons-zxcvbn-php)[enlightn/security-checker

A PHP dependency vulnerabilities scanner based on the Security Advisories Database.

33732.2M110](/packages/enlightn-security-checker)

PHPackages © 2026

[Directory](/)[Categories](/categories)[Trending](/trending)[Changelog](/changelog)[Analyze](/analyze)