参考文献

[RFC0822]STANDARD FOR THE FORMAT OF ARPA INTERNET TEXT MESSAGES
[RFC0931]Authentication Server
[RFC1321]The MD5 Message-Digest Algorithm
[RFC1766]Tags for the Identification of Languages
[RFC1864]The Content-MD5 Header Field
[RFC1867]Form-based File Upload in HTML
[RFC2045]Multipurpose Internet Mail Extensions (MIME) Part One: Format of Internet Message Bodies
[RFC2109]HTTP State Management Mechanism
[RFC2227]Simple Hit-Metering and Usage-Limiting for HTTP
[RFC2231]MIME Parameter Value and Encode Word Extensions: Character Sets, Languages, and Continuations
[RFC2246]The TLS Protocol Version 1.0
[RFC2387]The MIME Multipart/Related Content-type
[RFC2392]Content-ID and Message-ID Uniform Resource Locators
[RFC2396]Uniform Resource Identifiers (URI): Generic Syntax
[RFC2397]The "data" URL scheme
[RFC2518]HTTP Extensions for Distributed Authoring -- WEBDAV
[RFC2535]Domain Name System Security Extensions
[RFC2616]Hypertext Transfer Protocol -- HTTP/1.1
[RFC2617]HTTP Authentication: Basic and Digest Access Authentication
[RFC2646]The Text/Plain Format Parameter
[RFC2685]Virtual Private Networks Identifier