How to Manage a Territorial German Shepherd

I'm hoping you can guide me towards the best way to manage my a year and a half year old female In tack german shepherd she has become increasingly territorial inside of her home and property outside. I don't know how to put her away while we have people over Especially if it's a for a long period of time. She is at the point where a luncheon and barking and jumping on them. My suggestion is to set your dog up for success by having these dogs outside if they're gonna do well outside. If they're not, then those are just life choices that you have to makeMy friend: Is it possible? j pass 725 The reality is Is your dog doesn