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Why do random communities appear on my instance? (random-hero.com)

submitted 1 year ago by pinkolik@random-hero.com to c/lemmy_support@lemmy.ml

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There have appeared hundreds of communities on my instance I have never searched. Where do they come from? Is it some spam attack? How do I prevent this, and how do I get rid of them?

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[–] pinkolik@random-hero.com 2 points 1 year ago (2 children)

Do you guys think I should enable captcha?

[–] SeeJayEmm@lemmy.procrastinati.org 5 points 1 year ago* (last edited 1 year ago)

Unless you want the job of moderating your users you should close registration.

Barring that you should make sure email verification is enabled, captcha, and maybe even the questionnaire.

As an admin you can go to the applications icon, looks like a clipboard. Look at all, and see who's joined. If they're unwanted or bots, ban them.

[–] NettoHikari@social.fossware.space 4 points 1 year ago (1 children)

Uh yes... There are instances (mine included) that'll automatically defederate you if you have too many users with too few interactions, so better enable captcha if you're worried about bots.

[–] pinkolik@random-hero.com 3 points 1 year ago (1 children)

How do I configure mine to do so? I mean automatic defederation

[–] NettoHikari@social.fossware.space 5 points 1 year ago (1 children)

I made an announcement post for my community here and it has a GitHub link. I think, the repository has a python script that'll do it.

[–] pinkolik@random-hero.com 1 points 1 year ago

Thanks! I wonder if there's a script that purges communities that have 0 subscribers on instance