hi frens.. i need some help regarding providing restrictions in fedora 11. we have installed fedora 11 in our net lab in ma colg. now i need to restrict all the students of downloading. coz students keep on downloading stuff like songs movies etc. is there any way out that i can restrict "em from doing thins n jst for searching n donwloading onlly things that really worth nt the songs n movies etc.coz it vl save a lot of bandwidth n provide fast speed of internet. thanx plz reply if it can.