Website Blocker Firefox software for url locking within browsers by tool. Software can made to work in batch process for blocking several web portals in click, Mass Blocking can help to protect for blocking number of websites with locking of tool.
USB Blocker Software can use to disable port for data carrying devices like pen drives and hard disks external. Software can modify the accessing according to requirments. Dvd writer and reader can be block and unblock with tool.