Authenticate an OPC UA client

FactoryTalk Security
 secures the automation system by limiting access to those with a legitimate need. Use
FactoryTalk Security
 to limit an
OPC
 UA client to access data through
FactoryTalk Linx Gateway
.
There are two ways of logging on
FactoryTalk Linx Gateway
 service:
  • Anonymous
  • FactoryTalk Security User
By default, the OPC UA client logs on
FactoryTalk Linx Gateway
 service using
Anonymous
 logon, which means no username or password is needed. And the OPC UA client has full access of browsing, reading, and writing data through
FactoryTalk Linx Gateway
.
To log on using FactoryTalk Security User
  1. In
    FactoryTalk Linx Gateway
     Configuration, expand
    OPC UA Server
    , and then select
    EndPoints
    .
  2. On
    Endpoint Properties
    , under
    Authentication Settings
    , select FactoryTalk Security User.
    You cannot select None as the Security Policy if you want to logon using FactoryTalk Security User
  3. Go to
    FactoryTalk Administration Console
     or
    FactoryTalk View Studio
    Explore
     topology tree, expand
    System
    >
    Users and Groups
    .
  4. Right-click
    Users
    , and then click
    New
    >
    FactoryTalk User...
  5. Enter username and password, and then click
    OK
    .
    For more information about New User properties, see
    FactoryTalk Services Platform Help
    .
  6. Expand
    Policies
     >
    Product Policies
    >
    FactoryTalk Linx Gateway
    , double-click Feature Security.
  7. Set permissions for the newly added user to perform certain actions.
  8. Go to OPC Client, connect to
    FactoryTalk Linx Gateway
     by selecting the same security policy configured in
    FactoryTalk Linx Gateway
     server.
  9. Enter the
    FactoryTalk Security
     username and password, and then connect to
    FactoryTalk Linx Gateway
     server.
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