AFWall+
Open SourceAFWall+ is a robust, open-source, iptables-based firewall for Android requiring root access. It provides granular control over network access for individual applications, allowing users to restrict data usage over Wi-Fi or mobile networks and enhance device security and privacy.
Key Features
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Provides granular per-application network access control.
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Based on robust and proven iptables framework.
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Supports creating and switching between firewall profiles.