Anti copenheimer, a very simple firewall to avoid direct IP scan on Minecraft server, require a domain to work.
This project is NOT designed to replace whitelist, it is designed to block the ping when there is any unwanted request comming in
# Reject handshake which not trying to connect minecraft.1ppl.me
./anticopen -bind 0.0.0.0:25565 -upstream 127.0.0.1:25575 -host minecraft.1ppl.me -proxygo build