This app is an firewall for the installed apps. Only apps with permission "android.permission.INTERNET" are shown. IPv4 and IPv6 are supported together with TCP and UDP. You could configure outgoing and incomming connections independent from each other.
The rules could be applied for each network: W-Lan local network mobile roaming unknown.
Logging is configurable for incomming/outgoing and allowed/denied connections.


Features:
* No iptables required the kernel doesn't need to support it.
* The firewall is active when Android starts no startup data leak.
* The rules are always active no re-apply on connection change is needed.

Limitiation:
* Host names in the log file are PTR entries.

Colors:
* Blue: Template is used.
* Yellow: Custom settings.
* Green: The app is trusted.
* Red: The app is blocked.

Donation:
* No self-promotion in the app.
* You could trust or block an app (Menu/ActionBar)
* You could use a template for not configured apps
* Additional (experimental) networks: Bluetooth WiMAX Ethernet
* Tasker support per App
* You support this app and further development!

Permissions:
* ACCESS_SUPERUSER: apply iptables rules

IMPORTANT
Your device has to be rooted to install the required X-posed framework: http://tinyurl.com/cd46qco


Donator-App & Features: https://play.google.com/store/apps/details?id=de.defim.apk.lightningwall.donator