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Android firewall without VPN.
Privacy-first, local-only, powered by Shizuku / local ADB daemon / Root.
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- No VPN: avoids packet interception and persistent VPN tunnel side effects.
- Per-app network control: toggles app networking through Android's
connectivitychain-3 controls. - Privacy-first by design: offline-first, no analytics, no telemetry, no tracking.
- Automation ready: supports
adb broadcastcommands for scripts and task automation. - Control Methods: ShizuWall provides three convenient ways (Quick Settings Toggle, App Widget, Floating Firewall Button) to control the firewall.
- Android 11 (API 30) or higher
- One control backend: Shizuku, local ADB daemon or root access
ShizuWall supports three methods to execute firewall commands:
| Method | Description | Setup |
|---|---|---|
| Shizuku | Secure API that communicates with system services. Requires Shizuku app. Forks are supported. | Install and setup Shizuku app, grant permissions |
| Root | Direct root access. | Root your device using standard methods |
| LibADB (LADB) | Uses the built-in "Wireless Debugging" feature of your phone to act like a computer connected via USB. This allows the app to perform advanced system changes without needing a computer, root or extra apps like Shizuku. | Enable wireless debugging and pair in Developer Options (Guide is in app) |
ShizuWall uses Android's Chain 3 (connectivity chain) to control per-app networking. These are the platform commands executed through Shizuku or the local daemon:
<div class="highlight highlight-source-shell notranslate position-relative overflow-auto" dir="auto" data-snippet-clipboard-copy-content="# Enable firewall framework cmd connectivity set-chain3-enabled true # Block specific app cmd connectivity set-package-networking-enabled false # Unblock specific app cmd connectivity set-package-networking-enabled true # Disable firewall framework cmd connectivity set-chain3-enabled false">
# Enable firewall framework cmd connectivity set-chain3-enabled true # Block specific app cmd connectivity set-package-networking-enabled false <package.name> # Unblock specific app cmd connectivity set-package-networking-enabled true <package.name> # Disable firewall framework cmd connectivity set-chain3-enabled false
