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PSA: Many Lemmy instances are currently experiencing massive automated sign-ups (bots)! If you run an instance with open sign-ups, please read! (zemmy.cc)

submitted 2 years ago* (last edited 2 years ago) by [email protected] to c/fediverse

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cross-posted from: https://lemm.ee/post/177673

Cross posting this here for visibility since lemmy.ml federation has been very hit or miss the last week. Original post from @[email protected]

Today, a bunch of new instances appeared in the top of the user count list. It appears that these instances are all being bombarded by bot sign-ups.

For now, it seems that the bots are especially targeting instances that have:

Open sign-ups

No captcha

No e-mail verification

I have put together a spreadsheet of some of the most suspicious cases here.

If this is affecting you, I would highly recommend considering one of the following options:

Close sign-ups entirely

Only allow sign-ups with applications

Enable e-mail verification + captcha for sign-ups

Additionally, I would recommend pre-emptively banning as many bot accounts as possible, before they start posting spam!

Please comment below if you have any questions or anything useful to add.

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[–] [email protected] 1 points 2 years ago (1 children)

You should make the spreadsheet private, otherwise botters will find it. Don’t make their job too easy.

[–] [email protected] 1 points 2 years ago (1 children)

Not my spreadsheet, this is a crosspost. Also it looks like the content is being auto-generated and the sheet is read-only. There's nothing they could really do by having this information.

[–] [email protected] 1 points 2 years ago

Ah, ok. Thanks