Kerberos 协议

http://zh.wikipedia.org/zh/Kerberos

OpenSSH on Linux using Windows/Kerberos for Authentication

http://port25.technet.com/Videos/research/OpenSSH%20on%20Linux%20using%20Windows.pdf

http://www.redhat.com/docs/manuals/linux/RHL-7.2-Manual/ref-guide/ch-kerberos.html

http://www.google.com.hk/search?hl=zh-CN&source=hp&q=kerberos+linux&btnG=Google+%E6%90%9C%E7%B4%A2&rlz=1R2PPSU_zh-CNCN365&aq=f&aqi=g-g6g2g-g1g1&aql=&oq=&gs_rfai=

http://zh.wikipedia.org/zh/RADIUS

http://www.5dmail.net/html/2004-9-14/200491405803.htm

http://piaolang.blog.51cto.com/154760/71089

http://support.mof.go.th/radius_windows.html