ba1435e1_tem_for_use_in_Visual_Composer__Description
[Property] Server Port [Description] 
Here you have to enter the port of your application server. By default this is 80. But your Basis administrator can modify this setting; that's why you should check it in the transaction SMICM (Goto -> Parameters -> Display). For example the IBSolution Development System Erinome the port is 8000. You can also have a look into your services file on your machine. If you have a windows machine then the file exists e.g. here C:\\WINDOWS\\system32\\drivers\\etc\\services In this file, you should search a entry like sapms.
How to create a portal system for use in Visual Composer
Description