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Ruid is the real user ID that identifies the owner of a process and affects the permissions for sending signals. Learn about other user identifier fields, such as euid, fsuid, and suid, and their roles and conventions in Unix-like operating systems.
Learn about the format, names, values, and functions of HTTP header fields, which are strings sent and received by client and server in every HTTP request and response. See examples of standard and non-standard header fields, and how they are used for content negotiation, authentication, compression, and more.
A Security Identifier (SID) is a unique, immutable identifier of a user, user group, or other security principal in Windows NT operating systems. Learn how SIDs are formatted, assigned, resolved, and used for access control lists, security audits, and troubleshooting.
Learn how to delete, change, or view your AOL username and associated services. Find out why you can't modify your username or create secondary usernames after November 30, 2017.
Learn about the concept, technologies and use-cases of federated identity, which is the means of linking a person's electronic identity and attributes across multiple distinct identity management systems. Find out how federated identity can enable single sign-on, cross-domain access, identity assurance and privacy compliance.
A personal identification number (PIN) is a numeric or alpha-numeric code used to authenticate a user accessing a system. Learn about the history, usage, and validation methods of PINs in financial services and other applications.
(Issue a SAML Assertion for the user) At this point, the identity provider knows the identity of the user principal and so the identity provider constructs a SAML Assertion on behalf of the user principal. For a concrete example of such an Assertion, see the corresponding SAML protocol flow in the SAML 2.0 article.
In the context of an HTTP transaction, basic access authentication is a method for an HTTP user agent (e.g. a web browser) 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: Basic <credentials> , where <credentials> is the Base64 encoding of ID ...