My dogs will bark & charge at the door when someone knocks. I actually never had a problem with that part as I lived alone for quite some time, it's nice to have some "guardians" to protect you & your property. But it stops there, I do not like dogs that crowd the door & continue to bark when you are answering it. They quiet down when I strt to approach the door and I tell them to "back up" and they obey, leaving room for me to actually answer the door. They don't back up too much, just enough to give me some room, which is good, as I said before IF it were someone that posed a danger to me the dogs are not too far away.