Do we have a list of hackers?

[Sentry]

If you ban a hacker's ID from your server before they even join, do they still have any capabilities of crashing or damaging the server? (other than using alts)

I think the most they could do is attack your server using a form of DoS, Or join on an alt to harass players before being banned moments later.

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[Planr]

Okiver comes to mind IIRC