Open Bug 1581947 Opened 5 years ago Updated 1 year ago

Support mDNS hostname obfuscation on Android

Categories

(Core :: WebRTC: Networking, enhancement, P3)

Product:
Core
Component:
WebRTC: Networking
Version:
71 Branch
Type:
enhancement

Tracking

()

Tracking Flags:
Tracking Status
firefox71 --- affected

People

(Reporter: dminor, Unassigned)

References

(Blocks 1 open bug)

Details

We need to determine if or when we would like to support mDNS hostname obfuscation on Android. From my initial research, using multicast on Android requires a specific permission (CHANGE_WIFI_MULTICAST_STATE) and according to the documentation can have an impact on battery life [1].

It it looks like mDNS hostname obfuscation is currently disabled for Chrome on Android [2]. I confirmed that with a fresh install of Chrome 77 on my phone. It also looks like Chrome uses the system DNS resolver and on Android it does not support mDNS [3].

[1] https://developer.android.com/reference/android/net/wifi/WifiManager.MulticastLock
[2] https://groups.google.com/forum/#!msg/discuss-webrtc/6stQXi72BEU/k3UCPGe1AQAJ
[3] https://bugs.chromium.org/p/chromium/issues/detail?id=405925#c69

Severity: normal → S3
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