16Dec/100
OpenDNS is perfect for your network
Opendns have setup such a useful free dns service. They have familyshield which is perfect for any family with teenagers and the standard Opendns is perfect for more control or business use, stop the use of time wasting social network sites and also malware and phishing attempts.
If you want this implemented on your network let us know or if you have the inclination its not too hard to follow their instructions.