AOSP has a pretty well functioning firewall, good enough that GrapheneOS implements and builds on it. https://grapheneos.org/faq#firewall https://grapheneos.or

AOSP has a pretty well functioning firewall, good enough that GrapheneOS implements and builds on it. https://grapheneos.org/faq#firewall https://grapheneos.org/faq#firewall Yeah there's no stats or traffic info, but until Android has a real way of using multiple VPN interfaces or exposes adding routes to users/apps, these VPN-based local tools are a no-go.