Here we would like to draw your attention to /XFT/INV_C3 transaction code in SAP. As we know it is being used in the SAP BC (Basis) module. /XFT/INV_C3 is a transaction code used for Outbound and inbound proxies in SAP.
It comes under the package /XFT/INV_CUSTOMIZING.
Transaction /XFT/INV_C3 technical data table
|Outbound and inbound proxies