auth-param 该指示用于未来扩展。任何无法识别的指示都必须被忽略。 3.2.2 授权请求标题（The Authorization Request Head
但它还是比在LDAP、POP及IMAP（见RFC2195）上用的CRAM-MD5要强许多。它将被用来替代薄弱的危机四伏的基本机制。 分类鉴别只提供对实际口令的加密
6 感谢（Acknowledgments） AbiSource公司的Eric W. Sink是本规范修订以前版本的原始作者。 通过讨论方式对本规范做出贡献的其它作者有： Peter
Network Working Group J. Franks Request for Comments: 261
1 授权鉴别（Access Authentication） 1.1对HTTP/1.1规范的依赖（Reliance on the HTTP/1.1 Specification）
Network Working Group J. Franks Request for Comments: 2617 Northwestern University Obsoletes: 2069
Network Working Group J. Franks Request for Comments: 2069 Northwestern University Category: Stand
Network Working Group R. ZUCcherato Request for Comments: 3163 Entrust Technologies Category: EXPe
Network Working Group K. Zeilenga Request for Comments: 3112 OpenLDAP Foundation Category: Informa
Network Working Group R. Droms, Editor Request for Comments: 3118 Cisco Systems Category: Standard