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5 result(s) for Administrator

• OPC-10000-4 – OPC Unified Architecture - Part 4: Services
  5.5.5.1 Description
  Discovery Server before calling this Service . The SecureChannel is described in 5.6 . The Administrator of the Server shall provide the Server with an EndpointDescription for the Discovery Server as part
• OPC-10000-4 – OPC Unified Architecture - Part 4: Services
  5.7.2.1 Description
  this check if the EndpointDescriptions were provided by a trusted source such as the Administrator . The Client shall check that the ApplicationUri specified in the Server Certificate matches the ApplicationUri
• OPC-10000-4 – OPC Unified Architecture - Part 4: Services
  6.1.2 Obtaining and installing an ApplicationInstanceCertificate
  only be accessed by the application. If this private key is compromised, the administrator shall force the creation of a new ApplicationInstanceCertificate and private key by the application. This Certificate ... automatic updates by a CertificateManager defined in OPC 10000-12 . If the administrator responsible for the application decides that a self-signed Certificate does not meet the security requirements
• OPC-10000-4 – OPC Unified Architecture - Part 4: Services
  6.1.3 Determining if a Certificate is trusted
  chain can be validated. Applications shall rely on lists of Certificates provided by the Administrator to determine trust. There are two separate lists: a list of trusted Certificates ... offline manner where the Certificate is marked as trusted by an administrator after evaluation. Table 100 - Certificate validation steps Step Error/AuditEvent Description Certificate Structure Bad_CertificateInvalid Bad_SecurityChecksFailed AuditCertificateInvalidEventType
• OPC-10000-12 – OPC Unified Architecture - Part 12: Discovery and Global Services
  A.1 Firewalls and Discovery
  firewalls will frequently hide the network addresses of the hosts behind them unless the Administrator has specifically configured the firewall to allow external access. In some networks the Administrator will ... affected by the location of the Client . In other networks the Administrator will configure the firewall to allow access to selected Servers. An example is shown in Figure A.2 . Figure