How enable logs ?

[Rassamaha78]

In IWBSDemo/bin im see RequestHeaders_1.log and RequestStream_1.log files, how can i enable this logs ? 
P.S. i use HTTPSys

[TPiotr]

This is probably only in Indy as define LOG_MULTIPART_REQUEST.

[Alexandre Machado]

I believe these log files were custom log files created during development and left over when the directory was cleared... I'll check and get back to you