Hi. I just uploaded a new version of debian-edu-config activating an experimental exam mode. The idea is to block network traffic from machines involved in the exam from reaching Internet, and limit traffic to the local network(s) only. This is done using iptables, and the script debian-edu-update-netblock, written by me a long time ago. I just updated it to work on LTSP clients, where the initial approach would fail when it pulled down the network from underneath the root file system. :)
The idea is that computers used during exam will be configured to not reach Internet, and all traffic will be routed through the HTTP proxy where exam specific rules can be added. To test it, add the host in question to the netgroup netblock-hosts and wait 5 minutes. If some users should be able to reach the Internet also on machines with network blocking active, the users can be added to the file group nonetblk to make this happen. Give it a go and see if you believe this approach is useful or not, and post your experiences here. If not, we can pull it out again before the release. :) -- Happy hacking Petter Reinholdtsen -- To UNSUBSCRIBE, email to [email protected] with a subject of "unsubscribe". Trouble? Contact [email protected] Archive: http://lists.debian.org/[email protected]
