Mime Blocker antivirus

An “antivirus” for Moodle that will accurately check the mimetype and allow only specific types of file uploads.
Mime blocker antivirus works during file upload into the system, it will check either the uploading file matching with defined MIME types in the MIME blocker settings page, if its defined then it will allows otherwise alert  will show and provide the list of MIME types of file that you can upload.
You can add list of MIME types in MIME blocker settings page such as `application/vnd.ms-excel;application/vnd.openxmlformats-officedocument.spreadsheetml.sheet;application/vnd.ms-powerpoint`
Blog for the MIME blocker plugin