Prevent flying (survival/adventure) or limit flying speed (creative)
Enforce the original movement speeds for walking, sprinting, sneaking, swimming, blocking
Prevent players from avoiding fall damage
Prevent players from moving into blocks (noclip)
Prevent players from cheating the server's time
Prevent players from using the "safe-respawn" exploit
Prevent walking on top of water and lava [modern hacks just keep jumping, though]
Prevent players from crashing the server by doing "illegal movements" [CraftBukkit does contain checks, but on some occasions these move data gets put through to plugins.]
Prevent players from faking BedLeave packets
Prevent players from hovering around in mid air NEW!
Prevent players from exploiting "block jumping" to get over walls NEW!
Prevent players from V-Clipping or teleporting NEW!
Prevent players from abusing fishing roods to get around the fly check (This is kinda a joke...) [Untested! Disabled by default!]
Prevent players from abusing enderpearls to get through walls, roofs and floors NEW!
Block Interacting:
Prevent players from interacting with blocks that are out of reach
Force players to look at the blocks that they want to interact with NEW!
Prevent players from interacting through walls NEW!
Prevent players from spamming interaction on blocks (note-blocks, doors, ...) NEW!
Block Breaking:
Prevent players from using "Survival Nuker", "Smasher", "Click Nuker" and "Creative Nuker"
Prevent breaking blocks faster than vanilla Minecraft allows, prevent breaking too many blocks too fast in total.
Limit the reach for breaking blocks
Force players to look at the blocks NEW!
Prevents "noswing" hacks (the player breaks blocks without showing the arm animation)
Prevents players from breaking 2 or more blocks at the same time
Prevent players from breaking water or lava blocks in creative gamemode NEW!
Block Placing:
Prevent players from using "FastPlace" and "Build" cheats
Limit the reach for block placing
Force players to look at the blocks NEW!
Prevent players from throwing projectiles too quickly
Prevent players from placing bloats anywhere else then water/lava
Prevent players from using the AutoSign feature of their client NEW!
Prevent players from placing blocks in mid air. Read more here!NEW!