Bukkit

What steps will reproduce the problem?
1. Installed Factions, WorldGuard, or other anti-pvp zoning plugin.
2. Make a safezone.
3. Entice another player or mob to attack you in the zone.

What is the expected output? What do you see instead?
Not to be injured in safezone. Players are being attacked in anti-pvp/mob areas.

What version of the product are you using?
Version 2.7

Do you have an error log of what happened?
No, no error is produced in the log.

Please provide any additional information below.
Not too serious, just makes safezoning a bit useless...