The answer is “Yes”, our Windows and Linux server do support MySQL Front through Port 3306.
However external IP has to be register in our server in order to connect using MySQL Front. The steps outlined as below.
1) Contact our technical team via Help Desk ticketing system
2) Provide us your external IP and database name
3) You could obtain your external IP by: http://www.ipchicken.com
4) The IP have to be updated if using dynamic IP address once restarted ISP connection.