this post was submitted on 31 Aug 2023
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Public? Idk, maybe. I wouldn't generally consider my IP to username to be public. Comment and post stuff, sort of. But even if it's public, I still wouldn't want Meta consuming it.
Are they talking about your IP address or the service's? Does ActivityPub even share the user's IP address with other nodes in the network? That'd be crazy, so I assume that it doesn't. Then Meta can't find out your IP address.
No this is not in the specification.
A malicious instance could in theory distribute this information but it would be non-standard. Of the 2 systems I've studied - Mastodon and Lemmy - neither do this.
In this scenario they would be talking about the IP address(es) of the services.
Thanks for the clarification. That claim seemed really off.
I've assumed that what you see publicly is basically what's synced. Obv. your instance can have a few more meta details on you, like IP, device info, possibly all the exif they've stripped from uploaded photos, but these things aren't in the ActivityPub outbox