EntityQ628566· pop 6· linked from 56 articlesCentral Authentication ServiceSign in to savesingle sign-on protocolConnectionsLightweight Directory Access ProtocolEntityOpenIDEntityKerberosEntityWorld Wide WebEntityWayback MachineEntityYale UniversityEntityQ364Entityproxy serverEntityauthenticationEntityJSONEntityMongoDBEntityActive DirectoryEntityRADIUSEntityOAuthEntityX.509Entitysingle sign-onEntityQ2136322EntityYAMLEntityExtensible Authentication ProtocolEntityChallenge-Handshake Authentication ProtocolEntityCategoriesAccess control softwareComputer access control protocolsFree security software