Basically I made a post on blahaj and someone from kbin commented on it somehow even though we’re not federated with them; I only happened to see the comment because I decided to look at how big the emojis looked to blahaj users so I went over to the same post on blahaj and there it was

  • Bartsbigbugbag@lemmy.ml
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    1 year ago

    Kbin is federated with blahaj, and so is hexbear. So both Can see any posts on either site, even if the poster is from an instance one of the two face defederated from.

    • HornyOnMain@hexbear.netOP
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      1 year ago

      Oh right weird, so my post is hosted on the community, not on my instance? But my instance hosts the comment’s or does kbin host it? That’s weird

      • Bartsbigbugbag@lemmy.ml
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        1 year ago

        To be honest, your clarifying question made me realize I’m not exactly as certain as I thought I was. Hopefully someone smart comes in and explains it fully.

        • HornyOnMain@hexbear.netOP
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          1 year ago

          I basically just always assume that “the federation works in mysterious ways” and wave it off

      • XIN@lemm.ee
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        1 year ago

        When I first joined this was a common complaint for posts that were made before a community defederated. Basically a post and its comments are copied to each federated instance and then synchronized as long as the instances remain federated. kbin users are commenting on kbin’s copy of the post which is then synchronized to any server that is federated with them.

        • HornyOnMain@hexbear.netOP
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          1 year ago

          We’ve actually never been federated with kbin though, we have a whitelist for who we federate with rather than a blacklist of who we defederate and kbin has never been on that list so how can kbin have a copy of my post?

          • XIN@lemm.ee
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            1 year ago

            Your post is on blahaj. kbin (or any federated instance) copied a version to their server so their users will see it in their “everything” feed. Kbin user comments on the post. kbin syncs that comment with all federated servers. Kbin isn’t federated with hex so that comment doesn’t get sent here and you won’t see it on hex’s copy of your post.