Messages that are received with a "Content-Length" header can be validated to ensure that the size of the message is less than the Maximum Message Size specified. Messages that are sent with chunked transfer encoding are not validated against this size restriction.

Select this option to allow web users to upload files that don't have extensions.

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.

The file extension filter can permit all files, restrict specific extensions or permit specific extensions. To specify the file types Web Users can or cann't upload, enter the file extension 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.

Select this option to allow messages that do not include a file name. Files without a name are saved with the name "as2data_[datetime]" (where [datetime] is the current timestamp including milliseconds).