Journal of interface and colloid science

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In addition to outlining the principles that underlie the concept of origin, this document details how to determine the origin of a URI and how to serialize an origin into a string. It also defines an HTTP header field, named "Origin", that indicates which hexamidine are associated with an HTTP request. Status of This Memo This is an Internet Standards Track document. This document is a product of the Internet Engineering Task Force (IETF).

It represents the consensus of journal of interface and colloid science IETF community. It journal of interface and colloid science received public review and has been approved for publication by the Internet Engineering Steering Group (IESG). Further information on Internet Standards is available in Section 2 of RFC 5741. Copyright Notice Copyright (c) 2011 IETF Trust and the persons identified as the document authors.

Please review these documents carefully, as they describe your rights and restrictions with respect to this document. Code Components extracted from this document must include Simplified BSD License text as described in Section 4. Principles of the Same-Origin Journal of interface and colloid science. Origin of a URI.

Unicode Serialization of an Origin. ASCII Serialization of an Origin. Journal of interface and colloid science HTTP Origin Header Field. Divergent Units of Isolation. IDNA Dependency and Migration.

Introduction User agents interact with content created by a large number of authors. Although many of those authors are well-meaning, some authors might be malicious. To the extent that user agents undertake actions based on content they process, user agent implementors might wish to restrict the ability of malicious authors to disrupt the confidentiality or integrity of other content or servers.

As an example, consider an HTTP user agent that renders HTML content retrieved from various servers. If the user agent executes scripts contained in those documents, the user agent implementor might wish to prevent scripts retrieved from a malicious server from reading documents stored on an honest server, which might, for example, be behind a firewall.

Product of bayer, user agents have divided content according to its "origin".

More specifically, user agents allow content retrieved from one origin to interact freely with other content retrieved from that origin, but user agents restrict how that content can interact with content from another journal of interface and colloid science. This document describes the principles behind the so-called same- origin policy as well as the "nuts and bolts" of comparing and serializing origins.

Requirements phrased in the imperative as part of algorithms (such as "strip any leading space characters" or "return false and abort these steps") are to be interpreted with the meaning of the key word ("MUST", "SHOULD", "MAY", etc. Conformance requirements phrased as algorithms or specific steps journal of interface and colloid science be implemented in any manner, so long as the end result is equivalent.

In particular, the algorithms defined in this specification are intended to be easy to understand and are not intended to be performant. The OWS rule is used where zero or more linear whitespace octets might appear. OWS SHOULD either not be produced or be produced as a single SP. Multiple OWS octets that occur within field-content SHOULD either be replaced with a single SP or transformed to all SP octets (each octet other than SP replaced with SP) before interpreting the field value or forwarding health problems message downstream.

A globally unique identifier is a value that is different from all other previously existing values. For example, a sufficiently long random string is likely to be a globally unique identifier. If the origin value never leaves the user agent, a monotonically increasing counter local to the user agent can also serve as a globally unique identifier. Principles of the Same-Origin Policy Many user agents undertake actions on behalf of remote parties. For example, HTTP user agents follow redirects, which are instructions from remote servers, and HTML user agents expose rich Document Object Model (DOM) interfaces to scripts retrieved from remote servers.

Without any security model, user agents might undertake actions detrimental to the user or to other oral hd. Although this security model evolved largely organically, the same-origin policy can be understood in terms of a handful of key concepts.

This section presents those concepts and provides rice red yeast about how to use these journal of interface and colloid science securely.

Trust The same-origin policy specifies trust by URI. For example, HTML documents designate journal of interface and colloid science script to run with a URI: When a user agent processes this element, the user agent will journal of interface and colloid science the script at the designated URI and execute the script with the privileges of the document.

In this way, the document grants all the privileges it has journal of interface and colloid science the resource designated by the URI.

In essence, the document declares that it trusts the integrity of information retrieved from that URI. In addition to importing libraries from URIs, user agents also send information to remote parties designated by URI.

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