John 10:3; John 18:16; John 18:17

John 10:3

3 "To him the doorkeeper opens, and the sheep hear his voice, and he calls his own sheep by name and leads them out.

John 18:16

16 but Peter was standing at the door outside. So the other disciple, who was known to the high priest, went out and spoke to the doorkeeper, and brought Peter in.

John 18:17

17 Then the slave-girl who kept the door said to Peter, "You are not also one of this man's disciples, are you?" He said, "I am not."