Page Comparison

Button

Function

Save

Saves changes and writes new values to configuration file. Certain changes will require the Server to be stopped and restarted to take effect.

Cancel

Discards any changes and exits dialog.

Reset

Resets all controls to their default value.

Reject SHA1 Signed Certificates

Select this option to reject SHA1 signed client certificates and require only SHA256 certificates. Default - not selected.

Accept Non-Secure Sessions

Select this option to allow client applications to connect a session without using encryption – Security Policy None. Default - not selected.

Accept Untrusted Certificates

Select this option to accept untrusted certificates from clients. This option should only be enabled for troubleshooting purposes and disabled during production run time. Default - not selected.

Allow Writes to Items by Anonymous Users

Select this option to allow anonymously connected users to write to items (Nodes) in the address space. Default - not selected.

Send Complete Certificate Chain

Select this option to allow the Server to send the complete certificate chain during a session connection. Default - not selected.

Add Application Certificate to Trusted Store

Select this option to automatically copy the AUTOSOL OPC UA server self-signed certificate to the trusted store. Default - not selected.

Register With Local Discovery Service

Select this option if an OPC UA Local Discovery Service is running and the Server should register with it upon startup. Default - not selected.

Enable Diagnostics

Select this option to enable the collection of the Server’s diagnostic and throughput data. Default - not selected.

Minimum Certificate Key Size

The minimum certificate key strength that will be accepted. Default - 1024

Session Nonce Length

The length of nonce to use in the CreateSession service. Default – 32

Log Option - Errors

Select this option to log error messages to the ACM logger. Default - not selected.

Log Option - Warning

Select this option to log warning messages to the ACM logger. Default - not selected.

Log Option - Trace

Select this option to log verbose informational messages to the ACM logger. Default - not selected.

Log Option – OPC UA Stack

Select this option to log message from underlying OPC UA stack to the ACM logger. Default - not selected.

Service Port – opc.tcp

TCP port to listen on for client opc.tcp connections. Default - 5337

Service Port - https

TCP port to listen on for client https connections. Default - 6337

Anonymous

Select this option to allow anonymous user connections. Default - selected.

User Name Validation

Select this option to allow username and password connections. Username and password will be validated by Windows. Default - selected.

User Name Policy

Select the encryption policy to use to pass log on information

Validate User Names in the Domain

Select this option to validate username and passwords, and optionally user groups, in the network domain. Deselect to validate username and password, and optionally user groups, on the local machine account.

User Group for Validation

The user group that the supplied user must be a member of in order to be validated. Leave blank to not validate against a user group. Location of the group is determined by the Validate User Names in the Domain property.

X.509 Certificate

Select this option to validate users by trusted certificate. Default - selected.

X.509 Certificate Policy

Select the encryption policy to use to pass user certificate information

Base Certificate Store

Shows the folder selection dialog to select the base folder path of the pki certificate store. Once selected, all the path edit boxes will be updated to the base folder path.

Application Certificate

Location of the OPC UA Server instance certificate. If the “Add Application Certificate to Trusted Store” property is enabled on the properties tab, a self-signed certificate will be generated and stored here.

Trusted Peer

The location used to store the trusted UA client application instance certificates. This store will contain the public key certificates of the trusted application instances.

Trusted Issuer

Location of peer certificate authority, if required.

Rejected Certificates

Location the Server will move rejected certificates to.

Trusted Users

The location used to store the trusted UA application user certificates. This store will contain the public key certificates of the trusted user instances.

User Issuer

Location of user certificate authority, if required.