Coffman Commentaries on the Bible - John 18:17
The maid therefore that kept the door saith unto Peter, Art thou also one of this man's disciples? He saith, I am not. Now the servants and the officers were standing there, having made a fire of coals; for it was cold; and they were warming themselves: and Peter also was with them, standing and warming himself.Art thou also ... indicates that John was openly known as a disciple of Jesus, and there is no evidence that Peter would have suffered any inconvenience by an open admission of his... read more
Coffman Commentaries on the Bible - John 18:16
But Peter was standing at the door without. So the other disciple who was known unto the high priest, went out and spake unto her that kept the door, and brought in Peter.The circumstance of John's being favorably known to the high priest was that which provided this eyewitness account and also resulted in Peter's admittance to the theater of his triple denial. Thus the question left dangling in the synoptics as to how Peter happened to be at the trial, or near it, is cleared up by this... read more