Internet Blocker provides simple and advanced ways to block access to the internet - no root required.

Applications and addresses can individually be allowed or denied access to your Wi-Fi and/or mobile connection.

Blocking access to the internet can help:

• reduce your data usage
• increase your privacy

Features:

• Simple to use
• 100% open source
• No root required
• No advertisements
• No calling home
• Actively developed and supported
• Android 5.1 and later supported
• IPv4/IPv6 TCP/UDP supported
• Tethering supported
• Optionally allow when screen on
• Optionally block when roaming
• Optionally block system applications
• Optionally notify when an application accesses the internet
• Optionally record network usage per application per address

There is no other no-root firewall offering all these features.

If you have a question or problem, you can send an e-mail to er.abhishek.luthra@gmail.com

All required permissions are described here: https://github.com/M66B/NetGuard/blob/master/FAQ.md#user-content-faq42

The source code is available here: https://github.com/M66B/NetGuard