ms/http_logging is a SAP Parameter attribute which is used to control dynamically change HTTP logging 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 .
Control of HTTP Logging; Following values are possible:
0 : Logging not active
1 : Logging activated (see
See SAP Parameter Documentation for full SAP documentation for this profile parameter.