From
http://wiki.eqemulator.org/p?Frequently_Asked_Questions
My server loads up and I can log in from my LAN, but everyone outside of my network gets disconnected when they try to connect to the server.
Make sure you have Port RANGE Forwarding setup to forward ports 7000 to 7500, 9000 to 9000 and optionally 9080 to 9080 to your server's LAN IP Address.