Post a sign on your front door instructing visitors to avoid using the doorbell or knocking.
If you have a mail slot in your door, place a mailbox farther away so deliveries can be made without upsetting your pet.
Ensure all visitors know to contact you ahead of time so you can manage your pet effectively.
Use blinds, curtains, or privacy window film to block visual access to the front of the house.
Play white noise to help block out environmental sounds that may trigger a reaction.