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2023-05-29
matscan (formerly r_admincraft) is a Minecraft bot that joins potentially vulnerable Minecraft servers and sends a message in chat to inform the admins.
It should’ve told you in its long chat message (though some servers might cut it off):
If the server was meant to be private then enable a whitelist.If the server is offline-mode then enable online-mode in the server.properties or install a plugin such as AuthMe.If the server has an exposed BungeeCord backend, firewall it, install BungeeGuard, or switch to Velocity.# How did you find my server?
I scan the internet for Minecraft servers, basically sending a packet to every IP address and seeing which ones respond (it’s a little more complex than this).
No. You should still secure your server though since there are several griefing/harassment groups that use their own server scanners.
My Matrix is @mat:matdoes.dev (preferred), but you might be able to find me on other social medias.