You can restrict the web users on the files to upload to the Managed File Transfer system. Upload restrictions don't apply to MLLP protocol.
The Upload Restrictions tab contains the following options:
Allow Files with No Extension
Select this option to allow web users to upload files that don't have extensions.
Allow Files with an Extension
Select this option to allow web users to upload files that have extensions. The web users must enter the file extensions in the
File Extension Filter
field.
File Extension Filter
The file extension filter can permit all files, restrict specific extensions or permit specific extensions. To specify the file types web users can or can't upload, enter the file extensions in this box. Enter extensions without periods (.), separate them with commas, and don't add line breaks or spaces. For example, to allow .txt, .xls, .xlsx, and .csv files, enter txt,xls,xlsx,csv. The maximum number of characters for this field is 2,000.
Case Sensitive
Select this option to specify that file extensions are case sensitive.