In computing, the User-Agent header is an HTTP header intended to identify the user agent responsible for making a given HTTP request. Whereas the character...

like cURL. The user agent is the client in a client–server system. The HTTP User-Agent header is intended to clearly identify the agent to the server....

in a response header is not specified. The behavior of Pragma: no-cache in a response is implementation specific. While some user agents do pay attention...

reader or, more formally, message user agent (MUA) or mail user agent is a computer program used to access and manage a user's email. A web application which...

User-agent headers are strings sent by a client to a server to identify the client. While initially intended for statistical purposes, these headers had...

Email#Message header for the format of an email message. Many MUAs allow users to see the raw message source directly, thereby allowing header inspection...

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...

as smartphones. In SIP, as in HTTP, the user agent may identify itself using a message header field (User-Agent), containing a text description of the...

multimedia capabilities and more. This XML data is keyed on the User-Agent: header in a web request. Another approach to the problem is to combine real-time...

the user agent via an HTTP response header field named Strict-Transport-Security. HSTS Policy specifies a period of time during which the user agent should...

display its web pages, a user must have a web browser installed. In some technical contexts, browsers are referred to as user agents. The purpose of a web...

used to view the website in a User-Agent header. Extensive browser techniques enable persistent user tracking even if users try to stay anonymous. See device...

SIP user agent; user agents are divided into clients (UACs), which initiate requests, and servers (UASes), which respond to them.: §8  A single user agent...

HTTP header field, designed to allow internet users to opt out of tracking by websites—which includes the collection of data regarding a user's activity...

A user agent may carry out the additional action with no user interaction only if the method used in the second request is GET or HEAD. A user agent may...

machine's operating system: By default, the system uses the User-Agent string from the HTTP header to determine the client OS. Release 3.6.0 provides additional...

envelope and content; the content consists of a header and a body. Computer-based messaging between users of the same system became possible after the advent...

science, a software agent is a computer program that acts for a user or another program in a relationship of agency. The term agent is derived from the...

ratings of how well it understands them. More precisely, the user agent provides HTTP headers that lists acceptable aspects of the resource and quality factors...

of an end user's account. The term "CSRF" is also used as an abbreviation in defences against CSRF attacks, such as techniques that use header data, form...

submission agent (MSA), or mail submission agent, is a computer program or software agent that receives electronic mail messages from a mail user agent (MUA)...

referrer and user agent headers sent by the requesting client software to prevent their images from being "fuskered", or require users to log in. However...

website address. Some web browsers give their users the option to turn off referrer fields in the request header. Most web browsers do not send the referrer...

in its message body. A web browser is an example of a user agent (UA). Other types of user agent include the indexing software used by search providers...

Tablet Browser". EFF Deeplinks blog. Retrieved 30 December 2013. User-Agent headers for Nokia devices - Nokia Developer Wiki. Developer.nokia.com. Retrieved...

numbers found in the field Protocol of the IPv4 header and the Next Header field of the IPv6 header. It is an identifier for the encapsulated protocol...

demonstrating multiple user-agents: User-agent: googlebot # all Google services Disallow: /private/ # disallow this directory User-agent: googlebot-news #...

it, with three header fields: Accept-Contact to describe the desired destination user agents, Reject-Contact to state the user agents to avoid, and Request-Disposition...

unauthenticated) IPv4 header fields are DSCP/ToS, ECN, Flags, Fragment Offset, TTL and Header Checksum. In IPv6, the AH protects most of the IPv6 base header, AH itself...

field of the HTTP request header, but cookies allow for greater precision. This can be demonstrated as follows: If the user requests a page of the site...