login/disable_cpic is a SAP Parameter attribute which is used to control Disable Incoming CPIC Communications information. This is available within R/3 SAP systems depending on the version and release level.
Below is the standard documentation available and a few details of the attributes values .
If this parameter is set to "1", incoming connections of the type CPIC
are rejected (message class 00, message number 161). Incoming
connections of the type RFC are not affected.
See SAP Parameter Documentation for full SAP documentation for this profile parameter.