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A method like that should kinda never end up causing a denial of service. I also didn't drop any local port 80 traffic, which also makes that theory a bit less
by Avamander 4y ago
A method like that should kinda never end up causing a denial of service. I also didn't drop any local port 80 traffic, which also makes that theory a bit less likely.
- jcrawfordor 4y agoSticking to HTTP enables transparent caching. So it's not that MacOS/iOS try to connect to anything on the local network, they just connect directly to Apple via HTTP which allows the local network to hijack the connection and serve a locally cached copy instead. This kind of thing is more common than you might think on corporate and institutional networks because it can produce appreciable savings in bandwidth to the internet. Squid is a very common open-source solution for transparent forward proxy, but there are commercial products that are more common. This kind of "friendly MITM" is sort of the baby that goes out with the bathwater on mandatory HTTPS, although I am personally of the opinion that it's not a big enough deal to block mandatory HTTPS---but there is debate there.
- ArchOversight 4y agoDuring installation HomePod's reach out to validate they are running the latest version as required by the iOS device you are setting them up with, and they do all kinds of connectivity checks cause they don't work on captive portal networks either. I am betting one of those checks fails because its on a network that blocks port 80.