rfc/callback_security_method is a SAP Parameter attribute which is used to control Reject RFC callbacks using whitelist 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 .
rfc/callback_security_method profile paramerter attributes
Parameter Name: rfc/callback_security_method
Description: Reject RFC callbacks using whitelist
Default Value: 1
Parameter Type ( See
IF_PARAMETER_TYPES)
: Integer range(INT_RANGE)
Restriction Values: 0 3
Parameter Unit:
Parameter Group: Abap
CSN Component: BC-MID-RFC
System-Wide parameter: No
Dynamic Parameter: Yes
Vector Parameter: No
Has Sub-Parameters: No
Check Function Exists: No
Parameter documentation
See SAP Parameter Documentation for full SAP documentation for this profile parameter.