Discourse incorrectly detecting uploaded file as an image

[Falco]

@xyzzy

Alternatively, I could configure Discourse to allow zip files and tell the users to zip up their files before uploading them, but I’d rather not open up the site to random zip file uploads. That seems like a security issue.

Another work around is adoption an extension for those weird files, like .bin, .data or really .anythinggoes, which should be enough for Discourse to keep those files alone.