Bukkit

v1.4.0b:

• Fix: CmdBlocker not active in survival mode

developed for:

• Java 6 (JRE 1.5 may not supported in that build)
• CraftBukkit 1.4.5-R0.1
• WorldEdit 5.4.5
• WorldGuard 5.6.3

This plugin isn't any longer actively developed

See Project Overview for more info.

• blocking all signs and chests isn't a good solution, but the minecraft-server lags the possibilities to intercept inventory-modifying for now
• breaking needed blocks lets drop attached ladders/doors/etc.