Solution : https://service.sap.com/sap/support/notes/712330 (SAP Service marketplace login required)
Key words :
sap http content server interface, accessing external content servers, external content servers, content server interface, secure socket layer, relevant browser settings, external content server, http clientin addition, main http clients, process https requests
Related Notes :
1419452 | Setting for content server in PLM DMZ scenario |