Acknowledgments
该 protocol 由 Markus Friedl 设计并首次实现, 基于 Tatu Ylonen 为 legacy SSH version 1 agent support 设计的类似 protocol. RFC 感谢 Simon Tatham, Niels Möller, James Spencer, Simon Josefsson, Matt Johnston, Jakub Jelen, Rich Salz, Caspar Schutijser, Florian Obser, Martin Thomson, Deb Cooley 和 Tero Kivinen.