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{{Short description|Access control method for the HTTP network communication protocol}}
In the context of an [[HTTP]] transaction, '''basic access authentication''' is a method for an [[User Agent Profiling|HTTP user agent]] (e.g. a [[web browser]]) to provide a [[user name]] and [[password]] when making a request. In basic HTTP authentication, a request contains a header field in the form of <code>Authorization: Basic <credentials></code>, where <code><credentials></code> is the [[Base64]] encoding of ID and password joined by a single colon <code>:</code>.
It was originally implemented by [[Ari Luotonen]] at [[CERN]] in 1993<ref>{{cite mailing list |url=http://1997.webhistory.org/www.lists/www-talk.1993q3/0882.html |title=Announcing Access Authorization Documentation |date=10 September 2022 |access-date=7 February 2022 |mailing-list=www-talk@w3.org |last=Luotonen |first=Ari}}</ref> and defined in the HTTP 1.0 specification in 1996.<ref>{{cite web |url=https://www.w3.org/Protocols/HTTP/1.0/spec.html#BasicAA |title=Hypertext Transfer Protocol -- HTTP/1.0 |date=19 February 1996 |website=www.w3.org |publisher=W3C |access-date=7 February 2022}}</ref>
It is specified in {{IETF RFC|7617}} from
== Features ==
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