Your whitelist parameter is not recursive. Therefore, if your logs reside in a sub-directory, they will not be picked up.
Also, if you your logs do not have a file extension, Splunk will see them as binary and exclude them by default.
what's the user od splunkforwarder process, SYSTEM_LOCAL?
Ithink that the crcSalt row is crcSalt = <SOURCE> but there's a visualizaziont problem (please use the Code Sample button), is it correct?