HTTP

1945  Hypertext Transfer Protocol -- HTTP/1.0
2616  Hypertext Transfer Protocol -- HTTP/1.1
2617  HTTP Authentication: Basic and Digest Access Authentication
2109  HTTP State Management Mechanism
2145  Use and Interpretation of HTTP Version Numbers
2291  Requirements for a Distributed Authoring and Versioning Protocol for the World Wide Web
2295  Transparent Content Negotiation in HTTP
2296  HTTP Remote Variant Selection Algorithm -- RVSA/1.0
2518  HTTP Extensions for Distributed Authoring -- WEBDAV

THTTP

SHTTP