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Magento 2 CSP Whitelist

A Magento 2 module created by CTI Digital to create and maintain Content Security Policies via the admin panel.

Installation

  • composer require ctidigital/magento2-csp-whitelist
  • php bin/magento module:enable CtiDigital_CspWhitelist
  • php bin/magento setup:upgrade

Usage

Identify the resource blocked by the Content Security Policy:

Refused to load https://www.google-analytics.com/analytics.js because it does not appear in the script-src directive of the Content Security Policy.
  1. Take note of the resource google-analytics.com or *.google-analytics.com.
  2. Check which policy it violates script-src.
  3. Navigate to admin panel Stores->Configuration->Cti->CSP Whitelist
  4. Ensure the module is enabled. Add a new row, select a resource and add the value.
  5. Save and flush the relevant caches.

Policies

POLICY NAME	DESCRIPTION
default-src	The default policy.
base-uri	Defines which URLs can appear in a page’s <base> element.
child-src	Defines the sources for workers and embedded frame contents.
connect-src	Defines the sources that can be loaded using script interfaces.
font-src	Defines which sources can serve fonts.
form-action	Defines valid endpoints for submission from <form> tags.
frame-ancestors	Defines the sources that can embed the current page.
frame-src	Defines the sources for elements such as <frame> and <iframe>.
img-src         Defines the sources from which images can be loaded.
manifest-src	Defines the allowable contents of web app manifests.
media-src	Defines the sources from which images can be loaded.
object-src	Defines the sources for the <object>, <embed>, and <applet> elements.
script-src	Defines the sources for JavaScript <script> elements.
style-src	Defines the sources for stylesheets.