ExploitFixer is a high performance packet filter that prevents many kinds of crashers, laggers and exploits from being used in your Spigot/Paper server.
You can download the prebuilt jar binaries in the link below.
Download a copy of ExploitFixer. MC-Market
Install in your Spigot/Paper plugins folder.
To compile ExploitFixer, you need JDK8, maven, and an internet connection.
Clone this repo, run mvn clean install from bash.