csi/SAP/csa_lib is a SAP Parameter attribute which is used to control Path and fille name for the external content scan adapter (shared libr 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 .
You can use this parameter to configure the path and name of the shared
library that searches the HTTP request within the Internet Connection
Manager in accordance with particular rules.
If the shared object has additional dynamic references, on UNIX
platforms you should first correctly set the search path of the dynamic
loader using an environment variant, before the shared object can be
successfully loaded.
LD_LIBRARY_PATH (Solaris, Sinix, OSF/1), SHLIB_PATH (HP-UX), LIB_PATH
(AIX)
If the library cannot be loaded, an error entry appears in the ICM trace
(dev_icm):
*** ERROR => HttpAuthHandlerInit: url: / -> failed -> content filter
deactivated
See SAP Parameter Documentation for full SAP documentation for this profile parameter.