rscp/ccc/protect is a SAP Parameter attribute which is used to control Prohibit write access to the code page converter 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 .
This parameter can be used to set the CCC cache to a read only mode.
After activating the read-only permission, any memory overwrite into the
CCC buffer area will cause a workprocess abort with a core dump.
For more information see note 788567.
See SAP Parameter Documentation for full SAP documentation for this profile parameter.