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18 result(s) for EndpointDescriptions

• OPC-10000-2 – OPC Unified Architecture - Part 2: Security Model
  8.2 Rogue GDS
  Session with a Server . After it creates a Session, it looks at the EndpointDescriptions returned by the Server and verifies that it used the best security possible and that
• OPC-10000-4 – OPC Unified Architecture - Part 4: Services
  5.5.1 Overview
  systems, Administrators may disable discovery for security reasons and Clients shall rely on cached EndpointDescriptions . To provide support for systems with disabled Discovery Services Clients shall allow Administrators to manually ... update the EndpointDescriptions used to connect to a Server . Servers shall allow Administrators to disable the DiscoveryEndpoint . If GetEndpoints is disabled and the Server Certificate is updated either automatically with
• OPC-10000-4 – OPC Unified Architecture - Part 4: Services
  5.5.4.1 Description
  delay before starting processing of a request during high traffic conditions. Some of the EndpointDescriptions returned in a response shall specify the Endpoint information for a Gateway Server that
• OPC-10000-4 – OPC Unified Architecture - Part 4: Services
  5.7.2.1 Description
  definition of SecurityPolicies and the handling of these parameters. The Server returns its EndpointDescriptions in the response. Clients use this information to determine whether the list of EndpointDescriptions returned from ... Client shall close the Session and report an error. The Server returns all EndpointDescriptions for the serverUri specified by the Client in the request. The Client only verifies EndpointDescriptions with
• OPC-10000-4 – OPC Unified Architecture - Part 4: Services
  5.7.2.2 Parameters
  List of Endpoints that the Server supports. The Server shall return a set of EndpointDescriptions available for the serverUri specified in the request. All Endpoints are returned if the serverUri ... Client used a DiscoveryEndpoint to select the security options from the available EndpointDescriptions, the Client shall verify this list with the list from a DiscoveryEndpoint . If the Client
• OPC-10000-4 – OPC Unified Architecture - Part 4: Services
  6.1.4 Creating a SecureChannel
  second security risk comes from a third party that alters the contents of the EndpointDescriptions as they are transferred over the network back to the Client . The Client protects itself ... against this by comparing the list of EndpointDescriptions returned from the GetEndpoints Service with list returned in the CreateSession response . The exact mechanisms for using the SecurityToken to sign
• OPC-10000-4 – OPC Unified Architecture - Part 4: Services
  6.6.2.3.2 Server requirements
  network address and therefore all Servers have the identical EndpointUrl . This includes all other EndpointDescriptions content like identical Certificates and security settings. How this virtual network address is created
• OPC-10000-4 – OPC Unified Architecture - Part 4: Services
  7.41 UserTokenPolicy
  PublicKey algorithms for user Certificates then the Server returns multiple CERTIFICATE UserTokenPolicies in the EndpointDescriptions
• OPC-10000-12 – OPC Unified Architecture - Part 12: Discovery and Global Services
  4.3.2 Simple Discovery with a DiscoveryUrl
  manual entry into a form) the DiscoveryUrl for the Server, it reads the EndpointDescriptions using the GetEndpoints Service defined in OPC 10000-4 . The discovery process for this scenario
• OPC-10000-12 – OPC Unified Architecture - Part 12: Discovery and Global Services
  5.1 Overview
  Servers that are known to the LDS. The GetEndpoints Service returns the EndpointDescriptions for the LocalDiscoveryServer that allow Servers to call the RegisterServer or RegisterServer2 Services . The LocalDiscoveryServer does
• OPC-10000-12 – OPC Unified Architecture - Part 12: Discovery and Global Services
  7.10.7 DeleteCertificate
  transaction if a transaction does not exist. Certificates that are referenced by EndpointDescriptions shall not be deleted. This determination happens when ApplyChanges is called. ApplyChanges is always required when this
• OPC-10000-12 – OPC Unified Architecture - Part 12: Discovery and Global Services
  7.10.23 ServerEndpointDataType
  Table 112 . The information in the Endpoint is used to generate a list of EndpointDescriptions that could be returned by the Server when GetEndpoints is called. The basic algorithm generates ... then the first entry in the EndpointUrls list is returned. The complete set of EndpointDescriptions is built by repeating the process for all enabled Endpoints. The UserTokenSettings array may specify
• OPC-10000-12 – OPC Unified Architecture - Part 12: Discovery and Global Services
  7.10.24 SecuritySettingsDataType
  CertificateGroup specifies one or more Certificates that are assigned to a Server . When generating EndpointDescriptions any SecurityPolicyUris (other than None ) that are not valid for one of the Certificates associated ... than one Certificate in the CertificateGroup, then an EndpointDescription is generated for each Certificate. EndpointDescriptions generated with a None SecurityMode only use the SecurityPolicyUris and the CertificateGroupName to restrict
• OPC-10000-12 – OPC Unified Architecture - Part 12: Discovery and Global Services
  9.3 Implicit
  Session -less Method Call. With this use case, the Client uses the EndpointDescriptions provided by the "Authorization Server" to determine what credentials to provide when creating a Session
• OPC-10000-12 – OPC Unified Architecture - Part 12: Discovery and Global Services
  A.1 Firewalls and Discovery
  shall look at the EndpointUrl passed to the GetEndpoints or CreateSession services and return EndpointDescriptions with URLs that use the same HostName . A Server with multiple HostNames shall also return ... when it wishes to connect to the Server . The DiscoveryServer would then request the EndpointDescriptions from the actual Server as shown in Figure A.3 . At this point the Client would
• OPC-10000-12 – OPC Unified Architecture - Part 12: Discovery and Global Services
  E.1 Global Discovery via Other Directory Services
  would then use the URLs for DiscoveryEndpoints stored in the DirectoryService to request the EndpointDescriptions necessary to connect to an individual Servers Some implementations of a GlobalDiscoveryServer will
• OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub
  5.4.5.2 SecurityGroup Management
  SecurityGroup relation on the Publishers and Subscribers , the SecurityGroupId and the SKS EndpointDescriptions are configured in a PubSub group
• OPC-10000-21 – OPC Unified Architecture - Part 21: Device Onboarding
  7.3 Push Management
  complete description of the authentication process. Each of the DeviceIdentity Certificates is returned in EndpointDescriptions returned by GetEndpoints . The Registrar looks for a pre-validated Ticket that matches the Certificate ... accept connections from untrusted Registrars . In this state, the DCA shall only return EndpointDescriptions that use the DCA Certificate when GetEndpoints is called. The Registrar may then pass control