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IBM is transforming its request for enhancement (RFE) process. The purpose of the transformation is to provide a more consistent experience for you to submit requests and to enable IBM product owners to respond to your requests more quickly. For more information click here.

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Restrict/Filter the files based on the content types in Pre-Upload to SI

  1. Using mailbox and SFTP user exits we can perform a check on the file in pre-upload and can restrict the file uploads based on the file extensions.
  2. But Users can rename the file and send malicious (like .exe ) files to the system.
  3. It would be good if we can read the metadata of the file and perform the check in Pre-Upload rather than only file extension.
  4. This is a compliance issue for  Banking firms.
  • Guest
  • Oct 3 2018
  • Needs more information
How will this idea be used?

 Extension of the userexit capabilities to read the file metadata will be globally helpful for many organizations especially for banking organizations. This helps in security point of view for the banking industries to restrict/filter the file uploads at the time of pre-upload. 

What is your industry? Banking
What is the idea priority? Urgent
  • Attach files
  • Admin
    Ryan Wood commented
    13 Jan, 2020 07:23pm

    Thank you for participating in the request for enhancement community. Your feedback is valued. We have analyzed this request and would like to ask for more information.

    With the following:

    Pre File Upload- com.sterlingcommerce.woodstock.userexit.services.ftpserver.interfaces.IFtpServerUserExit_OnPutFileBeforeExecute

    Allows you to execute custom java code when FTP server has received command to put a file. This allows you to read the filename and you can use this to perform validation and many more. In case your code returns 'false', server will send a negative reply to client indicating file transfer failure. Also you can specify error message to be displayed at client end with 451 response code.

    Is this request to provide sample custom java code? Or an example/reference?