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Cross-origin resource sharing (CORS) is a mechanism to safely bypass the same-origin policy, that is, it allows a web page to access restricted resources from a server on a domain different than the domain that served the web page. A web page may freely embed cross-origin images, stylesheets, scripts, iframes, and videos.
Site isolation is a web browser security feature that groups websites into sandboxed processes by their associated origins. This technique enables the process sandbox to block cross-origin bypasses that would otherwise be exposed by exploitable vulnerabilities in the sandboxed process.
A similar approach is taken by the Cross-Origin Resource Blocking (CORB) mechanism and the Cross-Origin-Resource-Policy (CORP) header, which allows a cross-origin request to succeed but blocks the loading of the content in third-party websites if there is a mismatch between the content type that was expected and that which was received. [88]
In computing, the same-origin policy (SOP) is a concept in the web-app application security model. Under the policy, a web browser permits scripts contained in a first web page to access data in a second web page, but only if both web pages have the same origin. An origin is defined as a combination of URI scheme, host name, and port number.
When Wikipedia ran on the HTTP protocol, governments were able to block specific articles. However, in 2011, Wikipedia began also running on HTTPS, and in 2015, switched over to solely HTTPS. [1] Since then, the only censorship options have been to block one of the entire list of Wikipedias for a particular language or prosecute editors. The ...
One example goal of a policy is a stricter execution mode for JavaScript in order to prevent certain cross-site scripting attacks. In practice this means that a number of features are disabled by default: Inline JavaScript code [a] <script> blocks, [b] DOM event handlers as HTML attributes (e.g. onclick) The javascript: links; Inline CSS statements
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Timing-Allow-Origin The Timing-Allow-Origin response header specifies origins that are allowed to see values of attributes retrieved via features of the Resource Timing API, which would otherwise be reported as zero due to cross-origin restrictions. [67] Timing-Allow-Origin: * Timing-Allow-Origin: <origin>[, <origin>]* X-Content-Duration [68]