I can upload zip files without problems.
But I cannot download them. The other file types I do, as pdf, odt…
The url created in example is: http://mysite.com/view_file.php?id=8&mimetype=application%2Fx-zip&submit=Download&csrfp_token=18465f4ca6
Cannot access to the page.
Also I’ve tested in all web browsers possible. And in the allowed files types is x-zip too ( I can upload them indeed).
Only zips with an exe inside!!!