Solution : https://service.sap.com/sap/support/notes/798532 (SAP Service marketplace login required)
Key words : 
http request handler -> creating sicf service nodes, configuration -> profiles -> profile maintenance -> changing, service default_host/sap/public/bc/, internet communication framework -> development -> developing, internet communication framework, internet communication manager, switching profile parameters, sicf service, including handlers -> activating, activating icf services
Related Notes : 
       
| 709038 | SAP Integrated ITS |