Proxy dating info

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However, when multiple proxies are used within the same administrative domain, such as office and regional caching proxies within a large corporate network, it is common for credentials to be generated by the user agent and passed through the hierarchy until consumed.

This is because only the client that chose a given proxy is likely to have the credentials necessary for authentication.

The Proxy-Authentication-Info response header field is equivalent to Authentication-Info, except that it applies to proxy authentication ([RFC7235], Section 2) and its semantics are defined by the authentication scheme indicated by the Proxy-Authorization header field ([RFC7235], Section 4.4) of the corresponding request: Proxy-Authentication-Info = #auth-param However, unlike Authentication-Info, the Proxy-Authentication-Info header field applies only to the next outbound client on the response chain.

This can be important when it is known that deployed implementations will fail when encountering one of the two formats.

This document generalizes the description for use not only in "Digest" ([RFC7616]), but also in other future schemes that might have the same requirements for carrying additional information during authentication.

Both were previously defined in Section 3 of [RFC2617], defining the HTTP "Digest" authentication scheme.

Please review these documents carefully, as they describe your rights and restrictions with respect to this document.

Code Components extracted from this document must include Simplified BSD License text as described in Section 4.e of the Trust Legal Provisions and are provided without warranty as described in the Simplified BSD License.

This specification uses the Augmented Backus-Naur Form (ABNF) notation of [RFC5234] with a list extension, defined in Section 7 of [RFC7230], that allows for compact definition of comma-separated lists using a '#' operator (similar to how the '*' operator indicates repetition). Adding information to HTTP responses that are sent over an unencrypted channel can affect security and privacy. Hence, in such a configuration, it will appear as if Proxy-Authentication-Info is being forwarded because each proxy will send the same field value. Additional thanks go to the members of the HTTPAUTH and HTTPBIS Working Groups, namely, Amos Jeffries, Benjamin Kaduk, Alexey Melnikov, Mark Nottingham, Yutaka Oiwa, Rifaat Shekh-Yusef, and Martin Thomson. This specification only describes the generic format; authentication schemes using Authentication-Info will define the individual parameters. The field value is a list of parameters (name/value pairs), using the "auth-param" syntax defined in Section 2.1 of [RFC7235].

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