Solution : https://service.sap.com/sap/support/notes/494980 (SAP Service marketplace login required)
Key words : 
http connect - url access, nw04 solution general information, sap netweaver remote connectivity, sap service marketplace, windows terminal server, abap backend system, alias /access-support, remote support service, general information, remote connectivity
Related Notes : 
       
| 1624510 | Portal Web Dynpro Integration - Component-specific Note | 
| 1522293 | Navigation - Specific Component Note | 
| 1486692 | Prerequisites for messages opened in the EP-KM* components | 
| 1398273 | Federated Portal Network (FPN) - Specific Component Note | 
| 1380993 | SAP NetWeaver Portal - Specific Component Note | 
| 1265687 | Application Integration - Specific Component Note | 
| 895754 | Delayed message processing | 
| 812732 | R/3 Support service connection | 
| 701588 | Setting up Service Citrix MetaFrame connection | 
| 605795 | Windows Terminal Server connection in remote support | 
| 592085 | Installing HTTP Connect service | 
| 480843 | Creating messages via the SAP service marketplace | 
| 456348 | EP 5.0: Central Note for Support | 
| 37001 | Telnet link to customer systems | 
| 31515 | Service connections | 
| 30289 | SAProuter documentation |