McAntiVPN is a plugin that protect your server from player that use vpn's using the Proxy & VPN detection API - IPHub.info api , so you will need to create an account on the website to get a API Key (the free can handle 1k request /day and the plugin have a system in order to not do multiple request on a ip so it should be good).

DO NOT TOUCH THE savedIps.json FILE YOUR DATA WILL BE DELETED AND I WILL NOT BE RESPONSABLE

The plugin have a config.yml file so you can customise the plugin by using the & to add color
- KickMessage: Message of kick when a player tries to connect while using a vpn
- CommandPermission: Permission to use the command /showiplist
- PermissionNotify: The permission is needed to get notified when a player is connecting with a vpn
- DontHavePermissionMessage: Message if you dont have the permission
- PlayerWithVPNTriedToConnect: Message of the notification
- API_KEY : You need to put your api key here it can be found on the IPHub website