linuxboytoo submitted a new plugin: BuildMode - Creates a "buildmode" which either allows or disallows a user to build and destroy blocks. Read more about this plugin...
I avoided the need for something like this by setting the default gamemode to 2 (adventure) and changing it to 0 for trusted people.
Spurs_Man321 is saying that u will need a command that can protect houses and buildings on the servers so house would not be gfifed. (If am right)