Send Report via FTP functionality for all types of reports doesn't allow hyphen(-) in file name or directory path.
Error message pops up : “Please enter a valid filename for the FTP file.” if file name contains hyphen or “Please enter a valid file path for the FTP file.”
if path contains hyphen.
Update the Software of SWG appliance to version 5.2.1. If you are not able to upgrade immediately, use the workaround below.
Enter a valid filename or path for the FTP file. Niether the path nor the filename should contain a hyphen ("-") symbol.