The core binaries/scripts (e.g., L2J Gracia Final source ).

A clean "Protocol 87" client is required (approx. 4.1 GB). Trusted repositories like TopServers200 provide direct mirrors via Google Drive.

Use a File Edit tool to update the server IP address in the client’s system/l2.ini . IV. Common Deployment Challenges

Ensure ports 2106 (Login Server) and 7777 (Game Server) are open in your firewall.

Highly customizable and easier to deploy. Requires a Java Runtime Environment (JRE) and a MySQL/MariaDB database.

Edit the server.properties and loginserver.properties files. You must define the Internal and External IP addresses to allow players to connect.