## Summary Since installing 21.0-20241023-nightly, apps on my tablet can no longer access Internet when Wireguard is connected. This worked just fine right up until 20241023-nightly, and Wireguard's app hasn't been updated in over a year, so I'm pretty sure it's the new build. Looks like it's DNS. (It's always DNS.) There are a couple of conspicuously related-looking commits in this build: [406071](https://review.lineageos.org/c/LineageOS/android_system_netd/+/406071) (VPN-covered DNS traffic may not fall through) and [406070](https://review.lineageos.org/c/LineageOS/android_system_netd/+/406070) (Revert "Prevent DNS traffic from bypassing lockdown VPNs"). ## Expected Behavior Apps should be able to connect to the Internet even when Wireguard is connected. ## Current Behavior Apps lose access to Internet immediately when Wireguard is connected. Curiously, Chrome is unaffected; all other apps that I've tested are affected, including Firefox, which says "Address not found", hinting at DNS. ## Steps to Reproduce 1. Install [Wireguard](https://play.google.com/store/apps/details?id=com.wireguard.android) 2. Set up a connection that doesn't route all traffic but just that interface's address space. I'm including a screenshot of my Wireguard configuration below. 3. Toggle the Wireguard interface on. 4. Open Firefox and try to browse the web.  ## Device information /codename gts4lvwifi /version 22.1 /date 2024-12-31 /kernel 4.9.337-gc3447b8cf44b #1 Tue Dec 31 23:31:35 UTC 2024 /baseband none /mods Google Apps <!-- Replace the following line with "I have read the directions" --> I have read the directions