Glossary of Terms

  • Active Directory – Active Directory is a directory service created by Microsoft for Windows domain networks. Clients can communicate with Active Directory using LDAP.
  • DirectAccess – DirectAccess is a VPN-like technology that provides intranet connectivity to client computers when they are connected to the Internet. Unlike many traditional VPN connections, which must be initiated and terminated by explicit user action, DirectAccess connections are designed to connect automatically as soon as the computer connects to the Internet.
  • IIS – IIS (Internet Information Services) is a web server developed by Microsoft for Windows based servers.
  • Lightweight Directory Access Protocol (LDAP) – LDAP is a protocol for accessing and maintaining distributed directory information services at the application layer of the IP stack.
  • Remote Authentication Dial In User Service (RADIUS) – RADIUS is a networking protocol that provides centralised authentication, authorisation and accounting management for computers to connect and use a network service.
  • Remote Desktop Services – Remote Desktop Services (formally known as Terminal Services before Windows Server 2008 R2) is a component of Windows that allows a user to access applications and data on a remote computer over a network using the VNC-like Remote Desktop Protocol (RDP).
  • Reverse Proxy – A reverse proxy server retrieves resources from other servers on behalf of a client.
  • RSA SecurID – RSA SecurID is a mechanism for performing two factor authentication for a user to access a resource.
  • Security Assertion Markup Language (SAML) – SAML is an XML-based open standard for exchanging authentication and authorization data between security domains, that is, between an identity provider (a producer of assertions) and a service provider (a consumer of assertions).
  • Two-factor authentication Two-factor authentication is an approach to authentication which requires the presentation of “two or more” of the three authentication “factors” (“something the user knows”, “something the user has”, and “something the user is”).
  • Virtual Private Network (VPN) – A VPN is a private network which allows remote connections to existing networks through public communication infrastructures such as the Internet. VPNs encrypt all traffic between the client and the remote network during transit over the public network.

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