Chrome Policies to Block / Allow URLs

Recourses:

• Recommndations
• URL Blocklist Filter Format

Installation

1. Create the following folders:

   /etc/opt/chrome/policies/managed
   /etc/opt/chrome/policies/recommended   
   

2. Create the file /etc/opt/chrome/policies/managed/settings.json containing

   { 
     "URLBlocklist": [
       "*"
     ],
   
     "URLAllowlist":  [
       "chrome://settings",
       "chrome://os-settings",
       "chrome-untrusted://",
       "chrome://policy",
       "https://google.com",
       "https://google.de",
       ".new-tab-page",
       "chrome://resources",
       "chrome://theme",
       "chrome://favicon2",
       "https://wikipedia.org",
       "https://homeworker.li",
       "https://mebis.bayern.de",
     ]
   }
   

3. Make sure that the files a owned by root and cannot be altered by users (644).