tn.ff.contenttypes
Content types to associate with flat file documents. Separate content types with a comma. If you do not include this property in the properties.cnf file, documents with the content type text/plain are treated as flat files.
You cannot register these content types as flat files:
application/x-www-form-urlencoded
text/xml
application/x-wmrpc2
application/x-x509v3-bin
application/x-wmrpc
application/x-wmrpc-bin
application/x-wmidatabin
application/wm-soap
application/soap
application/soap+xml