3694458 - Fiori Application not accessible via Global URL http://[host]:[port]/sap/bc/ui2/flp

• While accessing the application through the UI/FLP link, the app is working fine and opening without any issues. However, when we try to access the same applications via the Global Fiori Launchpad URL, an error is encountered and the application does not load as expected.

  • 2 Examples (Working / Non-Working):
    • UI/FLP link is the  transaction /n/UI2/FLP which is used to open the Fiori Launchpad directly from the SAP GUI (Works)
    • Global URL link is the  The URL structure typically follows patterns like: http://[host]:[port]/sap/bc/ui2/flp (Non-Working)
      • ----Popup Error when clicked----
        

        Unauthorized Error - Click here to close

• Another issue could be when the user clicks on the back button and re-clicks the Fiori application
• Error via HAR Network Trace:
  
  
  • Error: 403 ModSecurity Action:
    
    https:/<domain>/sap/bc/webdynpro/SCMTMS/PLN?sap-language=EN&sap-client=110&context=00&sap-ui-tech-hint=WDA&sap-ushell-defaultedParameterNames=%5B%22context%22%2C%22sap-ach%22%5D&sap-iframe-hint=WDA&sap-ie=edge&sap-theme=sap_horizon&sap-touch=0&sap-target-navmode=inplace&sap-keepclientsession=1&sap-ushell-timeout=0&sap-shell=FLP1.120.14-NWBC&sap-keepclientsession=1&sap-keepClientSessionMessageNr=1755699615558 
    
    
  • Note: The example link above is from one of the many SAP Fiori applications, and depending on what the Fiori application used, it can show different outcomes (tied to the transactions called or parameters passed)
  • Note 2:  The key URL parameter above is that this is a /bc/webdynpro type of application

S/4HANA 

Fiori back button, Fiori main flp url, SAP GUI /ui2/flp, /n/UI2/FLP, 403 ModSecurity , KBA , CA-FLP-ABA , SAP Fiori Launchpad ABAP Services , BC-SEC-LGN-SML , SAML 2.0 for ABAP , BC-CST-WDP , Web Dispatcher , Problem