various: allowlist quad-100 DNS traffic from container interfaces #12174
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Add a new prefs knob to allowlist DNS traffic from certain interfaces in the FORWARD chain (when source is not localhost). This is mainly for container engines. By default, allowlist some known container bridge interfaces like "docker0". Implement interface detection for Docker, more detections in follow-up PRs. Updates #12108 Signed-off-by: Andrew Lytvynov <awly@tailscale.com>
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Add a new prefs knob to allowlist DNS traffic from certain interfaces in the FORWARD chain (when source is not localhost). This is mainly for container engines. By default, allowlist some known container bridge interfaces like "docker0".
Implement interface detection for Docker, more detections in follow-up PRs.
Updates #12108