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improve matscan faq

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mat 2023-08-02 22:01:02 -05:00
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@ -3,17 +3,19 @@ title: Why did "matscan" join my Minecraft server? (FAQ)
published: 2023-05-29T02:48:09.000Z
---
matscan (formerly r_admincraft) is a Minecraft bot that joins potentially vulnerable Minecraft servers and sends a message in chat to inform the admins.
matscan is a Minecraft bot that joins potentially vulnerable Minecraft servers and sends a message in chat to inform the admins.
# How should I secure my server?
It should've told you in its long chat message (though some servers might cut it off):
It should've told you in its long chat message but 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](https://dev.bukkit.org/projects/authme-reloaded).
- If the server has an exposed BungeeCord backend, firewall it, install [BungeeGuard](https://www.spigotmc.org/resources/bungeeguard.79601/), or switch to [Velocity](https://papermc.io/software/velocity).
- Enable backups or install a plugin like [CoreProtect](https://www.spigotmc.org/resources/coreprotect.8631/).
If you've done all of the above, then you're probably fine.
# 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).
@ -22,6 +24,10 @@ I scan the internet for Minecraft servers, basically sending a packet to every I
No. You should still secure your server though since there are several griefing/harassment groups that use their own server scanners.
# Why did Herobrine try to join right before matscan?
matscan will try to join with the username Herobrine first, so if the server is offline-mode then it can demonstrate that people can join with any username. It may also use the username of a historical player if the server is offline-mode but has a whitelist.
# How can I contact you?
My Matrix is [@mat:matdoes.dev](https://matrix.to/#/@mat:matdoes.dev) (preferred), but you might be able to find me on other social medias.