Firewall

Granular control over which apps can access the internet. Block or allow network access per app, separately for WiFi and mobile data.

Firewall main screen
App Rules
Firewall app details
App Details
Firewall settings
Settings

Quick Start

1
Enable Firewall

Toggle the "Firewall" switch at the top to On

2
VPN Restarts

VPN connection restarts to apply firewall rules

3
Block Apps

Toggle WiFi or Mobile Data switches to block apps

4
Rules Active

Blocked apps can't access the internet immediately

Requires VPN: The firewall requires VPN to be connected. If you disconnect VPN, firewall rules are temporarily disabled.

Network Access Controls

Per-App Toggles

WiFi Toggle Control WiFi access
Mobile Data Toggle Control cellular access

Both Allowed

App can use WiFi and mobile data (default setting)

WiFi Only

Block mobile data, allow WiFi - save your data plan

Mobile Data Only

Block WiFi, allow mobile - useful for specific scenarios

Both Blocked

App has no internet access at all

Firewall Profiles

Gaming

Blocks non-essential apps to reduce latency and improve gaming performance.

Privacy

Blocks tracking and telemetry apps while allowing essential services.

Work

Allows work apps, blocks social media and entertainment.

Data Saver

Blocks most apps from using mobile data to save your data plan.

Advanced Controls

Background Blocking

Block apps from accessing network when in background. Saves battery and data.

VPN Bypass

Configure apps to bypass VPN (split tunneling). Useful for streaming services and local network access.

Lockdown Mode

Block all network access except essential system services. Use "Block All" button.

Quick Actions

Block All, Allow All, or Block Background for all apps at once.

App Filters

All Apps Show everything
User Apps Only user-installed
System Apps Only system apps
Blocked Apps with network blocked
Allowed Apps with full access
VPN Bypass Apps bypassing VPN

Use Cases

Privacy Protection

Block social media, analytics, and tracking apps from sending data when not in use.

Data Saving

Block apps from using mobile data - allow only WiFi for large downloads and streaming.

Battery Optimization

Block background network access to prevent apps from draining battery with constant syncing.

Gaming Performance

Use Gaming profile or block non-essential apps to reduce network latency during gaming.

Troubleshooting

Firewall Not Working

  • Verify firewall is enabled
  • Check VPN is connected
  • Ensure app toggle is blocked (gray)
  • Reconnect VPN to refresh rules

App Still Has Internet

  • Check if app bypasses VPN
  • Verify both WiFi and Mobile blocked
  • Restart the app (clears cache)
  • Reconnect VPN

VPN Won't Connect

  • Disable firewall temporarily
  • Check if too many apps blocked
  • Reset firewall rules to defaults
  • Restart Stealth app

Can't Access Local Network

  • Set app to bypass VPN
  • Check VPN local network settings
  • Some VPN configs block local access
  • Adjust split tunneling settings