LimboFilter

Most powerful bot filtering solution for Minecraft proxies. Built with LimboAPI.

Test server: ely.su

See also

• LimboAuth - Auth System built in virtual server (Limbo). Uses BCrypt, has TOTP 2FA feature. Supports literally any database due to OrmLite.
• LimboAPI - Library for sending players to virtual servers (called limbo)

Features of LimboFilter

• Highly customizable CAPTCHA's - change fonts, backplates, colors, alphabet-pattern, length;
• Client settings and brand checking;
• Highly customisable config - you can change all the messages the plugin sends;
• Ability to partially disable protection on low-loads of proxy;
• Ability to prepare raw packets to reduce CPU usage;
• Fast MCEdit/StructureBlock schematic world loading for CAPTCHA checking;
• And more...

LimboFilter /vs/ popular antibot solutions:

Test server: i7-3770 (4c/8t 3.4GHz) Dedicated server, Ubuntu Server 20.04, OpenJDK 11, 16GB DDR3 1600MHz RAM, 4GB RAM is allocated to proxy.
Attack: Motd + Join bot attack (100k joins per seconds, 1.17 Protocol)

Proxy server	Info	Boot time	% CPU on attack
Velocity	LimboFilter + LimboAuth Online/Offline Mode	2 sec	20%
Velocity	LimboFilter + Offline Mode	2 sec	20%
Leymooo's BungeeCord BotFilter	JPremium Online/Offline Mode	8 sec	95%
Leymooo's BungeeCord BotFilter	Offline Mode	8 sec	40%
yooniks' BungeeCord Aegis Escanor 1.3.1	Offline Mode	10 sec	20%
yooniks' BungeeCord Aegis 9.2.1	Offline Mode	10 sec	100% (xd)
Velocity	JPremium Online/Offline Mode	2 sec	95%
Velocity	BotSentry 9.2 + Online Mode	2 sec	70%
Velocity	Online Mode	2 sec	70%
Velocity	Offline Mode	2 sec	55%

Donation

Your donations are really appreciated. Donations wallets/links/cards:

• MasterCard Debit Card (Tinkoff Bank): 5536 9140 0599 1975
• Qiwi Wallet: PFORG or this link
• YooMoney Wallet: 4100 1721 8467 044 or this link