icf/ssocookie_mandatory is a SAP Parameter attribute which is used to control 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 .
The server-specific checking of cookies during every HTTP request
activated with ~SAP_SSO_MANDATORY = 1 is only performed if
icf/ssocookie_mandatory = 1.
If icf/ssocookie_mandatory = 0, the additional check can be deactivated
in general. See SAP Note 1266780.
See SAP Parameter Documentation for full SAP documentation for this profile parameter.