Infantry only here=
Look into your server2.ini and scroll down till the End.
[C&C_Field.mix]
EnableDropWeapons=1
ToggleBD=0
WeatherType=Rain
DisableList=L1
[C&C_Islands.mix]
EnableDropWeapons=1
ToggleBD=0
WeatherType=Ash
DisableList=L2
------------------------
[L1]
01="CnC_GDI_MiniGunner_3Boss"
02="CnC_GDI_MiniGunner_3Boss_ALT2"
03="CnC_GDI_MiniGunner_3Boss_ALT3"
04="CnC_GDI_MiniGunner_3Boss_ALT4"
05="CnC_Nod_Minigunner_3Boss"
06="CnC_Nod_MiniGunner_3Boss_ALT2"
07="CnC_GDI_Mammoth_Tank"
[L2]
01="mp_GDI_War_Factory"
02="mp_Nod_Airstrip"
The List L1 is the standard list. I only put it in here that you can see what is meant to be changed. The list L2 is for Infantry only. NOTE, you must add the entry 'DisableList=L2' to every map which is in the current rotation!
CCTF? No clue, sorry not enough coding skills...