When the ICM Server Cache (ISC) is being searched for a requested object, the following steps are taken, in this order:
The application first checks the
UFO List (provided that this is active, see parameter icm/HTTP/server_cache_<xx>/ufo_list), to establish whether this request has already been rejected by the system, and whether it should be rejected on this occasion.
The application then looks in the Main Memory of the ICM server cache (Memory Cache), and