Re: iOS 14 (Apple) DNS bits

2020-09-24 Thread Paul Ebersman
vom513> Observation: iOS 14 now seems to send 3 queries (up from 2) for vom513> every socket connection to a name. Whereas we've had A vom513> + for quite some time in many OSes - on iOS 14 we now vom513> have A + + HTTPS (type 65). [...] vom513> Question: iOS 14 now flags networks that

Re: iOS 14 (Apple) DNS bits

2020-09-24 Thread Mel Beckman
Vom, I’m an Apple developer, and I remembered a session from WWDC about this. Here’s the link, open to public view: https://developer.apple.com/videos/play/wwdc2020/10047 I haven’t watched the talk, but it dives pretty deeply into the mechanics of Apple’s encrypted DNS mechanics, so it may ans

Re: iOS 14 (Apple) DNS bits

2020-09-24 Thread Mel Beckman
Vom, Because the HTTPS RR is designed to improve performance for clients that need to resolve many resources to access a given domain, I think the theory is that the total Internet traffic will be reduced. From the draft RFC: "By providing more information to the client before it attempts to

iOS 14 (Apple) DNS bits

2020-09-24 Thread vom513
*** Hopefully this is on-topic enough for the list… Since iOS 14 has been released recently, folks have observed the changes to the network and DNS mechanics. I wanted to get some feedback from folks here on this. I have a small observation, and a slightly larger question: Observation: iOS 14