23.10.2016, 10:00
If this is roleplay, just block damage for all players who don't have 1 hour online (by returning 0 in onplayergivedamage). It will reduce amount of cheaters for 90% or better.
Or if you don't like it, just make anty teleport for onfoot.
Or if you don't like it, just make anty teleport for onfoot.