prefix for auth options. Contributed by Bibin A Chundatt. (cherry picked from commit af63427c6d7d2fc251eafb1f152b7a90c5bd07e5)
prefix for auth options. Contributed by Bibin A Chundatt. (cherry picked from commit af63427c6d7d2fc251eafb1f152b7a90c5bd07e5)