Number,Description,Reference
0,00,No Authentication Required,[RFC1928]
1,01,GSSAPI,[RFC1928]
2,02,Username/Password,[RFC1929]
3,03,Challenge-Handshake Authentication Protocol,[Marc_VanHeyningen]
4,04,Unassigned,
5,05,Challenge-Response Authentication Method,[Marc_VanHeyningen]
6,06,Secure Sockets Layer,[Marc_VanHeyningen]
7,07,NDS Authentication,[Vijay_Talati]
8,08,Multi-Authentication Framework,[Dan_Fritch]
9,09,JSON Parameter Block,[Brandon_Wiley]
10-127,0A-7F,Unassigned,
128-255,80-FE,Reserved for Private Methods,[RFC1928]
255,FF,No Acceptable Methods,[RFC1928]