I think you should get back the Peaceful and if you so want to protect your things do what i did i just got raided
now so i build a far far far far far ! far !FAR !FAR! away base and no one can grief or raid me
and i build my base underwater
and some one here.. doesnt make me undamage...XD
because i type
/f close
and by the way claim your land im not sure if you did that but if you dont know what is thatO_O
/f claim type itXD
Peaceful please