Factions not protecting? Please help!

Hello,
My factions are not protecting at all. When I claim something, other factions are able to access chests in this land and able to break blocks. I've not changes something into my configs. Here is my plugin list:

Plugins (36): SpawnJoin, WorldEdit, DeluXeLaunchPads, FlatlandsBuilder, FlatGrass, mcore, Vault, BanHammer, PermissionsEx, Multiverse-Core, WorldGuard, CashControl, VoteRoulette, Shopkeepers, KingKits, LockTime, CoreProtect, PerWorldPlugins, NoFall, ZavAutoMessager, Votifier, NametagEdit, mcMMO, Essentials, KingKitsSpecial, Citizens, EssentialsSpawn, Multiverse-Portals, Multiverse-Inventories, Multiverse-NetherPortals, MultiWorldMoney, EssentialsChat, Factions, CombatLog, RandomLocation, Signs