The OPENSCS Security Server Facet defined in Table 72 includes ConformanceUnits for Servers that are not included in other OPC UA defined Facets and Profiles. This Facet is required to meet the security requirements of OPENSCS.
Table 72 – OPENSCS Security Server Facet Definition
|
Security Conformance Unit |
Defined in |
Optional / Mandatory |
|
OPC UA Authority Profile |
M |
|
|
Security Time Synch – NTP / OS Based support |
M |
|
|
Security Administration |
M |
|
|
Security Role Server Restrict Applications |
M |
|
|
Security Role Server Restrict Endpoints |
M |
|
|
Security Role Server Role Permissions |
M |
|
|
Security Role Server Authorization |
M |
OPENSCS security requirements mandate that the session shall always be authenticated. The use of endpoints enabling the security policy SECURITY_POLICY_NONE is not allowed.