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The concept of ABAC can be applied at any level of the technology stack and an enterprise infrastructure. For example, ABAC can be used at the firewall, server, application, database, and data layer. The use of attributes bring additional context to evaluate the legitimacy of any request for access and inform the decision to grant or deny access.
PDF-XChange Viewer (now superseded by the PDF-XChange Editor) is a freemium PDF reader for Microsoft Windows. It supports saving PDF forms and importing or exporting form data in FDF/XFDF format. Since version 2.5, there has been partial support for XFA, and exporting form data in XML Data Package (XDP) or XML format.
In computer systems security, Relationship-based access control (ReBAC) defines an authorization paradigm where a subject's permission to access a resource is defined by the presence of relationships between those subjects and resources. In general, authorization in ReBAC is performed by traversing the directed graph of relationships.
Role authorization: A subject's active role must be authorized for the subject. With rule 1 above, this rule ensures that users can take on only roles for which they are authorized. Permission authorization: A subject can exercise a permission only if the permission is authorized for the subject's active role.
Support for PDF version 1.3; 5.0 May 2001 Last version to support Windows 95 OSR2, Windows 98 First Edition, Windows NT 4.0 Service Pack 5, pre-Service Pack 2 Windows 2000, Mac OS 8.6 and Mac OS 9.0.4 - 9.2.2. Windows, Macintosh, Solaris, HP-UX, AIX, Linux Support for PDF version 1.4; 6.0 July 2003 Adobe Acrobat Reader was renamed to Adobe Reader.
This also allows an authorization server to present a centralized user interface for resource owners. Requesting Party (RqP) UMA defines requesting parties separately from resource owners. This enables party-to-party sharing and fine-grained delegation of access authorization. A resource owner need not consent to token issuance at runtime (i.e ...
In some related but distinct contexts, the term AAA has been used to refer to protocol-specific information. For example, Diameter uses the URI scheme AAA, which also stands for "Authentication, Authorization and Accounting", as well as the Diameter-based Protocol AAAS, which stands for "Authentication, Authorization and Accounting with Secure Transport". [4]
The authorization method and a space character (e.g. "Basic ") is then prepended to the encoded string. For example, if the browser uses Aladdin as the username and open sesame as the password, then the field's value is the Base64 encoding of Aladdin:open sesame, or QWxhZGRpbjpvcGVuIHNlc2FtZQ==. Then the Authorization header field will appear as: