how to block extension on server?

[s1llyforyou]

hello

how to block the following file extensions on server?
.rar
.zip
.exe
.avi
.mp3
.mpeg
.mp4
.wav
.wma
.flv
.mkv
.mov
.mp4
.mpg
.rm
.vob
.wmv
.3g2
.3gp
.asf
.asx
.torrent


is it possible to automatically delete files that are uploaded with
the above extension?

[s1llyforyou]

any update?

[eth00]

You could try to do this via your upload script.

You could also disable them by an htaccess.

You could run daily search/deletes.