voxelbox/VoxelGuest — pull request #19 by Razorcane (2012-04-01 01:56:44+00:00)
Title: Player Protection = fixed(Most likely)

Apparently you can't use a "general" event for very specific actions. But I did a quick test run and players can no longer be killed by touching cactus or falling in lava, which must assume the rest work fine too.