Netguard-no-root-firewall -

NetGuard is a free and open-source Android firewall that provides comprehensive control over your apps' internet access without requiring root permission. It works by creating a local VPN to filter all outgoing traffic directly on your device, ensuring that no data is sent to external servers. Core Firewall Features

: Fully supports IPv4/IPv6 and both TCP and UDP protocols.

: Receive notifications for new applications and configure their firewall rules directly from the notification shade. Performance & Privacy netguard-no-root-firewall

: Log all outgoing traffic and record network usage per application and per address.

: Optionally allow connections only when the screen is on, or block them entirely when roaming. NetGuard is a free and open-source Android firewall

: Because it uses a local VPN, users should disable battery optimization for NetGuard to prevent the system from closing it in the background.

Purchasing the Pro version through the Google Play Store or GitHub unlocks several professional-grade capabilities: : Receive notifications for new applications and configure

M66B/NetGuard: A simple way to block access to the ... - GitHub