Enable Native Firewall For System Apps Not Just Installed Apps

[linkieF]

As we know, there are two firewall settings (WLAN and Data) for installed apps, when only Data setting for system apps in Security Center.

Here is a guide to enable native firewall for system apps not just installed apps.
http://en.miui.com/thread-531515-1-1.html

Hope EU project would add this useful feature. Thank u for your great work.