Difference between revisions of "User agent"
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| − | In [[computing]], a '''user agent''' is a [[software agent]] that is acting on behalf of a user. | + | In [[computing]], a '''user agent''' is a [[software agent]] that is acting on behalf of a [[User (computing)|user]]. |
| − | For example, an email reader is a mail user agent, and in the Session Initiation Protocol (SIP), the term user agent refers to both end points of a communications session. | + | For example, an email reader is a mail user agent, and in the [[Session Initiation Protocol]] (SIP), the term user agent refers to both end points of a communications session. |
| − | In many cases, a user agent acts as a client in a network protocol used in communications within a client–server distributed computing system. | + | In many cases, a user agent acts as a [[Client (computing)|client]] in a [[network protocol]] used in communications within a [[client–server]] [[distributed computing system]]. |
| − | In particular, the Hypertext Transfer Protocol (HTTP) identifies the client software originating the request, using a "User-Agent" header, even when the client is not operated by a user. | + | In particular, the [[HTTP|Hypertext Transfer Protocol]] (HTTP) identifies the client software originating the request, using a [["User-Agent" header]], even when the client is not operated by a user. |
The SIP protocol (based on HTTP) followed this usage. | The SIP protocol (based on HTTP) followed this usage. | ||
| + | == See also == | ||
| + | |||
| + | * [[Computing]] | ||
| + | * [[Software agent]] | ||
| + | * [[Session Initiation Protocol]] | ||
| + | * [[User (computing)]] | ||
== External links == | == External links == | ||
* [https://en.wikipedia.org/wiki/User_agent User agent] @ Wikipedia | * [https://en.wikipedia.org/wiki/User_agent User agent] @ Wikipedia | ||
Revision as of 08:29, 29 August 2015
In computing, a user agent is a software agent that is acting on behalf of a user.
For example, an email reader is a mail user agent, and in the Session Initiation Protocol (SIP), the term user agent refers to both end points of a communications session.
In many cases, a user agent acts as a client in a network protocol used in communications within a client–server distributed computing system.
In particular, the Hypertext Transfer Protocol (HTTP) identifies the client software originating the request, using a "User-Agent" header, even when the client is not operated by a user.
The SIP protocol (based on HTTP) followed this usage.
See also
External links
- User agent @ Wikipedia
