Follow there's steps.
1.Like this topic2.you open the port 25565 on your router and computer.3.You get a MCLawl server running MCLawl :http://sourceforge.net/projects/mclawl/ with MySql :http://www.mysql.com/downloads/mysql/
If you did not understand open this link: http://www.youtube.com/watch?v=vm5Opj3ScSU&list=FLRQ-87YGGKLU7Ufy2UNw7QQ&index=1&feature=plpp_video