/df_ndm_noteleport [0-2] (default: 0) 

Configures the teleporters in the Tricks Mode and Fast Caps gametypes.

  0: teleporters enabled
  1: teleporters disabled
  2: contact with the teleporters result in instant death

NOTE: The cvar df_mode must be set to Custom Settings (value 0) for this cvar to take effect.