this post was submitted on 20 Jun 2023
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Huh, that is interesting, yeah, that pattern is very anomalous. If you have DB access you can try to run this query to return all un-verified users and see if you can identify if the email activations are being completed:
SELECT p.id, p.name, l.email FROM person AS p LEFT JOIN local_user AS l ON p.id=l.person_id WHERE p.local=true AND p.banned=false AND l.email_verified='f'Only 7 accounts still pending, 2 of which, are unrelated to the above flood.
The email address are left out for privacy- however, they are EXTREMELY normal sounding email addresses.
Based on the provided emails, usernames, and request messages- i'd say, it certainly looks like legit users.
Just- very odd of the timing.
7 huh? That's actually noteable. So far I haven't seen a real human user take longer than a couple of hours to validate. Human registrations on my instance seem to have a 30% attrition. That is, of 10 real human users, I can reasonably expect that 3 won't complete the flow. It seems like your case might be nearing 40-50% which isn't unheard of but couple this with the quickness that these accounts were created - I think you are looking at bots.
The kicker is, though, if one of them IS a real user, it's going to be almost impossible to find out.
This is indeed getting more sophisticated.
I wish I could see this time period on a cloudflare security dashboard, I'm sure there could be a few more indicators there.
Didn't really see anything that stood out there either. A handful of users accessing via tor, but, thats about it.
Ended up turning the security policy from low, back up a bit though, forgot I turned it down while troubleshooting some federation issues.
Oh! I just remembered something. Isn't there a site that recommends a lemmy instance? Might it make sense that multiple users found your website because they change the recommendation to distribute new users? Does that sort of pattern hold in this case?
I checked join-lemmy.org right after this happened- and a few other times. Refreshed multiple times.
To date- I have never seen my instance listed up there.
Interesting, I definitely see mine. I'm wayyyyyy at the bottom of the popular section, (likely due to the 9 bots that added themselves before I banned the accounts.).
I wonder if one of the settings in your firewall is blocking that particular bot?
I don't recall when I would've done the same, but I do recall not being on join-lemmy until - well - now actually.
/shrugs. isn't much in the way of firewall logic, even at the cloudflare logic. Although- only :443 is actually forwarded to go anywhere.