Disable Firefox browser in Linux:

To Disable Firefox browser in Linux or Restricting web access using the Firefox browser: You can follow below commands:

For example, if we need to block Firefox for an user “rad” you can use the command below:

root@server# setfacl -m u:rad:x /usr/bin/firefox

To unblock it, you can use following command:

root@server# setfacl -x u:rad /usr/bin/firefox