bd40bc7c7a ^ a b c Simon Spero. In HTTP/1.1 a keep-alive-mechanism was introduced, where a connection could be reused for more than one request. HTTP proxy servers at private network boundaries can facilitate communication for clients without a globally routable address, by relaying messages with external servers. The TRACE method can be used as part of a class of attacks known as cross-site tracing; for that reason, common security advice is for it to be disabled in the server configuration. Microsoft IIS supports a proprietary "TRACK" method, which behaves similarly, and which is likewise recommended to be disabled.. A request line containing only the path name is accepted by servers to maintain compatibility with HTTP clients before the HTTP/1.0 specification in RFC 1945.. Retrieved 23 February 2014. RFC 2616.
IETF. Design Issues by Berners-Lee when he was designing the protocol. Retrieved 2009-05-29. The most popular way of establishing an encrypted HTTP connection is HTTP Secure. Two other methods for establishing an encrypted HTTP connection also exist: Secure Hypertext Transfer Protocol, and using the HTTP/1.1 Upgrade header to specify an upgrade to TLS. Response header fields (e.g., Content-Type: text/html). When Content-Length is missing the length is determined in other ways. PATCH The PATCH method applies partial modifications to a resource. . Upgrading to TLS Within HTTP/1.1. This specification defines the protocol referred to as "HTTP/1.1", and is an update to RFC 2068.