Explore topic-wise fullforms in Internet Error Codes

INFO: Full form for MOM is Mad On Mondays in Internet Error Codes category
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INFO: Full form for UE is Uncorrectable Error in Internet Error Codes category
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The X-Forwarded-For (XFF) HTTP header field is a common method for identifying the originating IP address of a client connecting to a web server through an HTTP proxy or load balancer.

The X-Forwarded-For HTTP request header was introduced by the Squid caching proxy server's developers.

X-Forwarded-For is also an email-header indicating that an email-message was forwarded from one or more other accounts (probably automatically).

In this context, the caching servers are most often those of large ISPs who either encourage or force their users to use proxy servers for access to the World Wide Web, something which is often done to reduce external bandwidth through caching. In some cases, these proxy servers are transparent proxies, and the user may be unaware that they are using them.

Without the use of XFF or another similar technique, any connection through the proxy would reveal only the originating IP address of the proxy server, effectively turning the proxy server into an anonymizing service, thus making the detection and prevention of abusive accesses significantly harder than if the originating IP address were available. The usefulness of XFF depends on the proxy server truthfully reporting the original host's IP address; for this reason, effective use of XFF requires knowledge of which proxies are trustworthy, for instance by looking them up in a whitelist of servers whose maintainers can be trusted.

INFO: Full form for AWCP is Applied Wireless Control Protocol in Internet Error Codes category
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INFO: Full form for PF is Personality Factor in Internet Error Codes category
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INFO: Full form for 303 is See Other (since Http/1.1) in Internet Error Codes category
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The HTTP response status code 303 See Other is a way to redirect web applications to a new URI, particularly after a HTTP POST has been performed, since RFC 2616 (HTTP 1.1).

According to RFC 7231, which obsoletes RFC 2616, "A 303 response to a GET request indicates that the origin server does not have a representation of the target resource that can be transferred by the server over HTTP. However, the Location field value refers to a resource that is descriptive of the target resource, such that making a retrieval request on that other resource might result in a representation that is useful to recipients without implying that it represents the original target resource."

This status code should be used with the location header, as described below. If a server responds to a POST or other non-idempotent request with a 303 See Other response and a value for the location header, the client is expected to obtain the resource mentioned in the location header using the GET method; to trigger a request to the target resource using the same method, the server is expected to provide a 307 Temporary Redirect response.

303 See Other has been proposed as one way of responding to a request for a URI that identifies a real-world object according to Semantic Web theory (the other being the use of hash URIs). For example, if http://www.example.com/id/alice identifies a person, Alice, then it would be inappropriate for a server to respond to a GET request with 200 OK, as the server could not deliver Alice herself. Instead the server would issue a 303 See Other response which redirected to a separate URI providing a description of the person Alice.

303 See Other can be used for other purposes. For example, when building a RESTful web API that needs to return to the caller immediately but continue executing asynchronously (such as a long-lived image conversion), the web API can provide a status check URI that allows the original client who requested the conversion to check on the conversion's status. This status check web API should return 303 See Other to the caller when the task is complete, along with a URI from which to retrieve the result in the Location HTTP header field.

The HTTP response status code 301 Moved Permanently is used for permanent redirecting, meaning current links or records using the URL this response is received for should be updated. The new URL should be provided in the Location field included with the response. The 301 redirect is considered a best practice for upgrading users from HTTP to HTTPS.

RFC 2616 states that:

INFO: Full form for JA is Javascript Alert in Internet Error Codes category
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INFO: Full form for 206 is Partial Content in Internet Error Codes category

INFO: Full form for 204 is No Content in Internet Error Codes category

Continue may refer to:

INFO: Full form for 302 is Moved Temporarily in Internet Error Codes category

INFO: Full form for 304 is Not Modified in Internet Error Codes category

INFO: Full form for 306 is Switch Proxy in Internet Error Codes category

INFO: Full form for 307 is 307 Temporary Redirect (since Http/1.1) in Internet Error Codes category

This is a list of Hypertext Transfer Protocol (HTTP) response status codes. Status codes are issued by a server in response to a client's request made to the server. It includes codes from IETF Request for Comments (RFCs), other specifications, and some additional codes used in some common applications of the HTTP. The first digit of the status code specifies one of five standard classes of responses. The message phrases shown are typical, but any human-readable alternative may be provided. Unless otherwise stated, the status code is part of the HTTP/1.1 standard (RFC 7231).

The Internet Assigned Numbers Authority (IANA) maintains the official registry of HTTP status codes.

All HTTP response status codes are separated into five classes or categories. The first digit of the status code defines the class of response, while the last two digits do not have any classifying or categorization role. There are five classes defined by the standard:

INFO: Full form for #404 is 404 Error - Could Not Be Found. in Internet Error Codes category

Creation may refer to:

INFO: Full form for 406 is Not Acceptable in Internet Error Codes category

INFO: Full form for 403.4 is Forbidden: Ssl Required in Internet Error Codes category

INFO: Full form for 203 is Non-authoritative Information in Internet Error Codes category

INFO: Full form for 205 is Reset Content in Internet Error Codes category

INFO: Full form for 408 is Request Time-out in Internet Error Codes category

INFO: Full form for 500 is Internal Error in Internet Error Codes category

Gone may refer to:

INFO: Full form for 308 is Permanent Redirect (approved As Experimental Rfc)[ in Internet Error Codes category

INFO: Full form for 412 is Precondition Failed in Internet Error Codes category

INFO: Full form for 300 is Multiple Choices in Internet Error Codes category

INFO: Full form for 414 is Request- Url Too Large in Internet Error Codes category

INFO: Full form for 305 is Use Proxy in Internet Error Codes category

INFO: Full form for 501 is Not Implemented in Internet Error Codes category

INFO: Full form for 503 is Out of Resources in Internet Error Codes category

Forbidden may refer to:

INFO: Full form for 505 is Http Version Not Supported in Internet Error Codes category

INFO: Full form for 405 is Method Not Allowed in Internet Error Codes category

INFO: Full form for 407 is Proxy Authentication Required in Internet Error Codes category

INFO: Full form for 550 is Mailbox Unavailable in Internet Error Codes category

INFO: Full form for 411 is Length Required in Internet Error Codes category

INFO: Full form for 415 is Unsupported Media Type in Internet Error Codes category

INFO: Full form for 500-12 is Server Error - Application Is Restarting in Internet Error Codes category

INFO: Full form for 504 is Gateway Time-out in Internet Error Codes category

INFO: Full form for 413 is Request Entity Too Large in Internet Error Codes category

INFO: Full form for 502 is Bad Gateway in Internet Error Codes category

INFO: Full form for 522 is Connection Timed Out in Internet Error Codes category

The HTTP 404, 404 not found, 404, 404 error, page not found or file not found error message is a hypertext transfer protocol (HTTP) standard response code, in computer network communications, to indicate that the browser was able to communicate with a given server, but the server could not find what was requested. The error may also be used when a server does not wish to disclose whether it has the requested information.

The website hosting server will typically generate a "404 Not Found" web page when a user attempts to follow a broken or dead link; hence the 404 error is one of the most recognizable errors encountered on the World Wide Web.

INFO: Full form for 402 is Payment Required in Internet Error Codes category

INFO: Full form for 101 is Switching Protocols in Internet Error Codes category

INFO: Full form for YER is Yellow Error Reference in Internet Error Codes category
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INFO: Full form for SNF is Server Not Found in Internet Error Codes category
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