Exodus 40:28

"And he set up the hanging at the door of the tabernacle."

Cross References (ranked by relevance)

And thou shalt set the altar of gold for the incense before the ark of the testimony, and put the hanging of the door to the tabernacle.

Jesus saith unto him, I am the way, the truth, and the life: no man cometh unto the Father, but by me.

For through him we both have access by one Spirit unto the Father.

I am the door: by me if any man enter in, he shall be saved, and shall go in and out, and find pasture.