Block operation of devices Flash, CD-ROM,FDD ... drives on network remote computers, thereby interferes thefts of the information from computers, unapproved installation of programs, to penetration of viruses from removable mass storages. Handle of probably any quantity of computers, but it is possible and on one. There is a batch mode which allows to set and carry out the job for several computers one click, possibility of saving of the job in a file or the menu command. Time synchronisation, inclusion and reboot of remote computers and others has additional functions. Possibility of concealment of the program from the user, the access prohibition to handle and customisations under the password. Intuitively clear interface, simplicity of operation