Lemmy

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Are bans propagated to other sites? (lemmy.ninja)

submitted 1 year ago by [email protected] to c/[email protected]

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This morning I was forced to ban about 18 users for being obvious spambots. That deleted their content on my instance. Are they now banned on other instances, too? I'm just trying to figure out what the best process is for eliminating these spambots for good before they flood all of our feeds.

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[–] [email protected] 1 points 1 year ago

Assuming I am correct, this could end up being a bit of a problem. That means, users on my instance could go about spamming the fediverse, and I would never see reports of their activity unless they are spamming communities on my instance. The only way I have to know that they’re being bad users is if I notice we get defederated, if an admin of another instance specifically reaches out to me, if another user on my instance reports them, or if I manually monitor my users.

This is actually consistent with something that happened to us in the early days of lemmy.ninja. We had a few thousand bot accounts get created on our site. Some other sites defederated from us, but it took us weeks to notice that this happened. One of them happened to be a Mastodon instance, and that person indicated a ban reason that indicated that a user was an edgelord. Well, this was back in the beginning of our site, so we knew all of our users personally. If we had not been really on top of things and really plugged in to what was happening across a lot of the Lemmy instances, we would never have known that the bot users interacted with anyone. We still don't know how many posts or comments they made before we deleted them all.