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Informations about the package ls-security-headers

TYPO3 13

TYPO3 Extension ls_security_headers

This extension offers configurable security headers for the frontend. You can easily create and manage them in a database record of your root page in the TYPO3 backend.
This comes in handy if for example resources are regularly added/changed, and you need to update the content security policy (CSP) accordingly.
The extension also offers the generation of CSP nonces.

Setup

  1. Install the extension by using composer
  2. Create a "Security Headers" record on the root page and configure the desired headers
  3. Validate your configuration with the scanners of HTTP Observatory, securityheaders.com and/or many others.

Important Notes

Nonce support

This extension includes a TypoScript helper function for generating CSP nonces.
All the nonces generated by the function during the request will automatically be added to the Content-Security-Policy header at the end of the request.
Basic usage:

The policy argument defines the policy the nonce should be added to (style for style-src, script for script-src, ...).
The length argument defines the length of the nonce in bytes.

Furthermore, it's possible to get the nonce output as attribute with the flag asAttribute = '1'.
A possible use case is the replacement feature of TypoScript:

Additionally, you can write your own library for the cObject-ViewHelper:

Ressources

All versions of ls-security-headers with dependencies

PHP Build Version
Package Version
Requires typo3/cms-core Version ^13.4
php Version >=8.2 <=8.3.99
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