The core function file_validate_extensions() parses file names in the assumption that the extension is the LTR suffix http://api.drupal.org/api/drupal/includes--file.inc/function/file_validate_extensions/6

The LTR suffix convention is widely used and important for security reasons. There doesn't appear to be a clear solution aside from removing filename extension limitations (a possible security vulnerability) or renaming your files.

On Wed, Nov 3, 2010 at 8:24 AM, Ivan Rocha <ivan.cr.neto@gmail.com> wrote:

Hi,

I am in trouble with uploading images that have arabic names. I think Drupal try to match the wrongly the three last characters os the image's name. As an arabic name has the RTL write form, the 'jpg' is in the left side. Drupal says that "The select file jpg, could not be uploaded. Only files with the following extensions are allowed: png, gif, jpg, jpeg". I have searched the web, but didn't find issues about this question.

I would like some help about how I can proceed to solve this problem. Bellow is an attach image containing the error and the image's name.

Regards,
Ivan.

--
Ivan Rocha

-- 
Aaron Winborn

Advomatic, LLC
http://advomatic.com/

Drupal Multimedia available now!
http://www.packtpub.com/create-multimedia-website-with-drupal/book

My blog:
http://aaronwinborn.com/