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...
15 KB (1,789 words) - 05:54, 28 October 2024
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....
1 KB (115 words) - 18:47, 21 September 2024
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...
53 KB (2,476 words) - 07:37, 24 September 2024
Email client (redirect from Mail user agent)
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...
20 KB (2,651 words) - 16:44, 20 July 2024
Client Hints (redirect from User-Agent Client Hints)
Client Hints were introduced as a privacy-preserving alternative to user-agent headers, as part of Google's Privacy Sandbox initiative. However, the initial...
13 KB (1,572 words) - 16:39, 20 October 2024
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...
4 KB (597 words) - 08:14, 17 June 2024
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...
7 KB (822 words) - 02:52, 28 August 2024
Session Initiation Protocol (redirect from User Agent Server)
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...
29 KB (3,366 words) - 15:29, 6 October 2024
HTTP Strict Transport Security (category Hypertext Transfer Protocol headers)
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...
25 KB (2,386 words) - 07:04, 1 November 2024
UAProf (redirect from User Agent Profiling)
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...
5 KB (645 words) - 15:51, 28 June 2023
Web browser (redirect from WWW user agent)
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...
19 KB (1,815 words) - 17:15, 4 October 2024
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...
27 KB (3,020 words) - 03:10, 14 October 2024
Browser sniffing (redirect from User-agent sniffing)
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...
5 KB (655 words) - 22:45, 17 October 2024
List of HTTP status codes (redirect from 431 Request Header Fields Too Large)
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...
45 KB (5,584 words) - 23:03, 19 October 2024
Do Not Track (redirect from Do-Not-Track-Header)
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...
21 KB (2,192 words) - 17:51, 31 October 2024
Email (redirect from E-mail headers)
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...
82 KB (8,736 words) - 21:33, 15 October 2024
HTTP referer (redirect from Referer header)
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...
12 KB (1,353 words) - 01:38, 1 November 2024
Cisco NAC Appliance (redirect from Clean access agent)
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...
11 KB (1,394 words) - 12:31, 29 April 2022
Cross-site request forgery (redirect from Cookie-to-header token)
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...
30 KB (3,749 words) - 16:12, 5 September 2024
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...
24 KB (2,927 words) - 05:51, 21 October 2024
Content negotiation (section Agent-driven)
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...
7 KB (912 words) - 18:42, 23 September 2024
HTTP (section Request header fields)
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...
61 KB (7,776 words) - 05:08, 30 October 2024
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...
9 KB (1,128 words) - 10:03, 24 October 2024
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)...
9 KB (1,152 words) - 15:21, 24 August 2023
Nokia Xpress (section User agent)
Tablet Browser". EFF Deeplinks blog. Retrieved 30 December 2013. User-Agent headers for Nokia devices - Nokia Developer Wiki. Developer.nokia.com. Retrieved...
7 KB (593 words) - 05:23, 13 June 2024
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...
20 KB (120 words) - 15:21, 21 August 2024
SIP extensions for the IP Multimedia Subsystem (section Caller preferences and user agent capabilities)
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...
53 KB (6,767 words) - 08:24, 9 February 2024
Robots.txt (section A "noindex" HTTP response header)
demonstrating multiple user-agents: User-agent: googlebot # all Google services Disallow: /private/ # disallow this directory User-agent: googlebot-news #...
32 KB (2,859 words) - 10:07, 24 October 2024
IPsec (redirect from Authentication Header)
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...
44 KB (5,242 words) - 08:28, 22 October 2024
HTTP cookie (category Hypertext Transfer Protocol headers)
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...
93 KB (10,970 words) - 06:19, 4 October 2024