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  2. List of HTTP status codes - Wikipedia

    en.wikipedia.org/wiki/List_of_HTTP_status_codes

    414 URI Too Long The URI provided was too long for the server to process. Often the result of too much data being encoded as a query-string of a GET request, in which case it should be converted to a POST request. Called "Request-URI Too Long" previously. [16]: §10.4.15 415 Unsupported Media Type The request entity has a media type which the

  3. HTTP 404 - Wikipedia

    en.wikipedia.org/wiki/HTTP_404

    404.13 – Content length too large. 404.14 – Request URL too long. 404.15 – Query string too long. 404.16 – DAV request sent to the static file handler. 404.17 – Dynamic content mapped to the static file handler via a wildcard MIME mapping. 404.18 – Query string sequence denied. 404.19 – Denied by filtering rule. 404.20 – Too ...

  4. List of SIP response codes - Wikipedia

    en.wikipedia.org/wiki/List_of_SIP_response_codes

    413 Request Entity Too Large Request body too large. [1]: §21.4.11 414 Request-URI Too Long The server is refusing to service the request because the Request-URI is longer than the server is willing to interpret. [1]: §21.4.12 415 Unsupported Media Type Request body in a format not supported. [1]: §21.4.13 416 Unsupported URI Scheme

  5. PDF - Wikipedia

    en.wikipedia.org/wiki/PDF

    PDF 2.0 defines 256-bit AES encryption as the standard for PDF 2.0 files. The PDF Reference also defines ways that third parties can define their own encryption systems for PDF. PDF files may be digitally signed, to provide secure authentication; complete details on implementing digital signatures in PDF are provided in ISO 32000-2.

  6. HTTP - Wikipedia

    en.wikipedia.org/wiki/HTTP

    Each response header field has a defined meaning which can be further refined by the semantics of the request method or response status code. HTTP/1.1 example of request / response transaction Below is a sample HTTP transaction between an HTTP/1.1 client and an HTTP/1.1 server running on www.example.com , port 80.

  7. PDF/A - Wikipedia

    en.wikipedia.org/wiki/PDF/A

    PDF is a standard for encoding documents in an "as printed" form that is portable between systems. However, the suitability of a PDF file for archival preservation depends on options chosen when the PDF is created: most notably, whether to embed the necessary fonts for rendering the document; whether to use encryption; and whether to preserve additional information from the original document ...

  8. HTTP 502 - Wikipedia

    en.wikipedia.org/wiki/HTTP_502

    Consider the following example to illustrate the occurrence of a 502 Bad Gateway error: A user attempts to access a website by entering the URL in their browser. A proxy server first receives the user's request. Acting as an intermediary, the proxy server forwards the request to an upstream server.

  9. Server-side request forgery - Wikipedia

    en.wikipedia.org/wiki/Server-side_request_forgery

    Server-side request forgery (SSRF) is a type of computer security exploit where an attacker abuses the functionality of a server causing it to access or manipulate information in the realm of that server that would otherwise not be directly accessible to the attacker.