VIP Core FlameCord - Ultimate Antibot Solution v2.5.1

* Updated Waterfall and BungeeCord dependencies for latest performance upgrades and bug fixes.

* Fixed the IPSet system for Linux systems to have better security and performance.

+ Added a whitelist for the proxy check.

* Option to disable by default online proxy check to fix some servers downing after MCStorm attack.

* Fixed important error when invalid ping was received. (Only process early for connections, not pings)
io.netty.util.IllegalReferenceCountException: refCnt: 0, decrement: 1

* Try to apply a small patch for unknown and non reproducable decoder errors.

+ Heavy performance improvements to the antibot system by preventing the execution of reflection methods before the connection was checked.
+ Improvements for the reconnect check to show remaining pings and allow more security without losing players.

This features will improve attack performance in great amounts, so it's very important for you to update your server.

+ Added new proxy/VPN detection check.

The new proxy check is conformed by two type of databases, the first one takes multiple public lists from the internet and the second one uses a web service.

* Replaced Reflection channel methods with ChannelFactory. (This can increase performance)

* Fixed connection problems with 1.17.
* Disable MaxMindDB download if country check is disabled.

We have fixed the compatibility issue between FlameCord and ViaVersion that prevented some users from connecting to their servers with Minecraft version 1.17. You can now enjoy the latest features and performance improvements of FlameCord with any Minecraft version.