如何将监听端口从默认的7001更改为不同的?

Can anyone tell me how to change the default listening port of Weblogic 10.3 to something different? I saw some posts on discussion boards which say that change it under ...//config/config.xml. Even I thought so, but surprisingly, there is no mention of word "port" in that file. Here is the file:Can anyone tell me how to change the default li