This is purely for debugging purposes, where an external system may have a lookup mechanism based on Common Name. Change-Id: I50b64ccf82e67fe8a0074a6f9b57e8cf102f1bb3 Reviewed-on: https://go-review.googlesource.com/71130 Run-TryBot: Alex Vaghin <ddos@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Adam Langley <agl@golang.org>