Request HeaderProxy-Authorization
Original Beschreibung (engl.):
The Proxy-Authorization request-header field allows the client to
identify itself (or its user) to a proxy which requires
authentication. The Proxy-Authorization field value consists of
credentials containing the authentication information of the user
agent for the proxy and/or realm of the resource being requested.
Proxy-Authorization = "Proxy-Authorization" ":" credentials
The HTTP access authentication process is described in "HTTP
Authentication: Basic and Digest Access Authentication" [43] . Unlike
Authorization, the Proxy-Authorization header field applies only to
the next outbound proxy that demanded authentication using the Proxy-
Authenticate field. When multiple proxies are used in a chain, the
Proxy-Authorization header field is consumed by the first outbound
proxy that was expecting to receive credentials. A proxy MAY relay
the credentials from the client request to the next proxy if that is
the mechanism by which the proxies cooperatively authenticate a given
request.
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