HTTP request smuggling (HRS) is a security exploit on the HTTP protocol that takes advantage of an inconsistency between the interpretation of Content-Length...

Protocol (HTTP) response 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...

XMLHttpRequest (XHR) is an API in the form of a JavaScript object whose methods transmit HTTP requests from a web browser to a web server. The methods...

first HTTP version, named 0.9. That version was subsequently developed, eventually becoming the public 1.0. Development of early HTTP Requests for Comments...

In computing, POST is a request method supported by HTTP used by the World Wide Web. By design, the POST request method requests that a web server accepts...

HTTP 403 is an HTTP status code meaning access to the requested resource is forbidden. The server understood the request, but will not fulfill it, if it...

OWASP HTTP request Splitting OWASP Testing for HTTP Splitting/Smuggling HTTP Smuggling in 2015 NoScript Official Website HTTP request smuggling v t e...

to provide a user name and password when making a request. In basic HTTP authentication, a request contains a header field in the form of Authorization:...

HTTP header field introduced in HTTP/1.1. In the exchange, the client begins by making a cleartext request, which is later upgraded to a newer HTTP protocol...

response to a request of any type other than GET or HEAD, the client must ask the user before redirecting. Client request: GET /index.php HTTP/1.1 Host: www...

Wide Web. When communicating via HTTP, a server is required to respond to a request, such as a web browser request for a web page, with a numeric response...

receive multiple HTTP requests/responses, as opposed to opening a new connection for every single request/response pair. The newer HTTP/2 protocol uses...

changing the request type of the new request to GET, regardless of the type employed in the original request (e.g. POST). For this reason, HTTP/1.1 (RFC 2616)...

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...

HTTP header fields are a list of strings sent and received by both the client program and server on every HTTP request and response. These headers are...

Search with HTTPS. Most web servers maintain logs of all traffic, and record the HTTP referrer sent by the web browser for each request. This raises...

HTTP pipelining is a feature of HTTP/1.1, which allows multiple HTTP requests to be sent over a single TCP connection without waiting for the corresponding...

case of HTTP/0.9 no headers are transmitted). The request/response message consists of the following: Request line, such as GET /logo.gif HTTP/1.1 or Status...

is protection against HTTP Parameter Pollution. HTTP response splitting HTTP request smuggling Balduzzi et al. 2011, p. 2. "HTTP Parameter Pollution Vulnerabilities...

header should be sent with an HTTP status code of 3xx. It is passed as part of the response by a web server when the requested URI has: Moved temporarily;...

compression schemes it supports by including a list of tokens in the HTTP request. For Content-Encoding, the list is in a field called Accept-Encoding;...

The ETag or entity tag is part of HTTP, the protocol for the World Wide Web. It is one of several mechanisms that HTTP provides for Web cache validation...

networking, 451 Unavailable For Legal Reasons is an HTTP status code used when the user requests a resource which cannot be served for legal reasons,...

Because HTTPS piggybacks HTTP entirely on top of TLS, the entirety of the underlying HTTP protocol can be encrypted. This includes the request's URL, query...

computing, content negotiation refers to mechanisms defined as a part of HTTP that make it possible to serve different versions of a document (or more...

In computing, the PATCH method is a request method in HTTP for making partial changes to an existing resource. The PATCH method provides an entity containing...

request. This means that HTTPS implementations without Server Name Indication (SNI) support require a separate IP address per DNS name, and all HTTPS...

Byte serving (other names: Range Requests; Byte Range Serving; Page on demand) is the process introduced in HTTP protocol 1.1 of sending only a portion...

and the client would prompt the user again. Client request (no authentication) GET /dir/index.html HTTP/1.0 Host: localhost (followed by a new line, in the...

attached to each HTTP request by the browser, JWTs must be explicitly attached to each HTTP request by the web application. The HTTP protocol includes...