Comment Force use of proxy server (Score 1) 579
There are many insightful answers below but I feel most of them are saying how they can protect a network which is already clean. But in your situation this is not the case; you need to make all the students clean up their own trash.
What I suggest is this:
1) If you already have a proxy server, move on to step 3)
2) Send out flyers stating that in X weeks the network will no longer accept direct web connections to the internet. Instead they need to connect through a proxy server. Include information how to configure their web browsers.
3) On Day 1 of using the proxy, force every student to log on and fill out some identifying information and download a virus scanner / cleaner. When they have an electronic evidence that the computer is clean (I'm sure some programs offer this) they will be issued a username/password combo for later logins.
A simple setup will not fix problems viruses spreading through other means (mail, ftp, etc.) and may be easy to bypass for the computer savvy, but most likely the computer savvy people already know how to protect themselves.
What I suggest is this:
1) If you already have a proxy server, move on to step 3)
2) Send out flyers stating that in X weeks the network will no longer accept direct web connections to the internet. Instead they need to connect through a proxy server. Include information how to configure their web browsers.
3) On Day 1 of using the proxy, force every student to log on and fill out some identifying information and download a virus scanner / cleaner. When they have an electronic evidence that the computer is clean (I'm sure some programs offer this) they will be issued a username/password combo for later logins.
A simple setup will not fix problems viruses spreading through other means (mail, ftp, etc.) and may be easy to bypass for the computer savvy, but most likely the computer savvy people already know how to protect themselves.
