The filtering is not throught the DET Proxies, we have a HP Server (the
same as the Web Server) that runs Squid (http://www.squid-cache.org)
and SquidGuard (http://www.squidguard.org/) to filter the content.
These are easy to configure and maintain with lots of documentation on
the Internet. There are only minor adjustments to the filtering lists
(unblock google.com, yahoo.com & hotmail.com and add sex.com.au,
pussy.com.au & masterstats.com at this stage) as and when any
inappropriate material is accessed. We have had 2-years of TVETS,
teenage boys included, and have not had one issue with inappropriate
material.
As you noted ICT would not support anything like this and would not
allow FTP access to a Windows 2000 server if they maintained this. They
would also not allow access to create and maintain users or allow any
CGI (Perl, PHP, etc) to run on any server connected to the TAFE
network.
The maintenance of a web server & proxy server, along with our Apple
Mac Classroom and the Computer Lab is done in 20-hours per week. I am
currently planning and implementing the change to Apple G5s and adding
750 GB of data storage via an xRAID for the xServe that manages the
Apple Mac Classroom where all students have individual logins.
I can supply further details of setting up the Linux Web Servers if
required.
Regards,
Steve