defaults to /var/tmp as we assume it is a local harddisk
server.upload-dirs = ( "/var/tmp" )
One or more locations specified in the list is used for temporary files for both upload of request body, as well as for generated response bodies.
To adjust request and response behavior for dynamic responses (i.e. not files) see:
cgi.x-sendfile in Docs_ModCGI, or
"x-sendfile" in Docs_ModFastCGI and Docs_ModSCGI