# OpcServerSecurityRoles Class

> Reference: Provides the default OpcAccessControlRole instances usually known to the OpcServer.

<span class="api-meta">since v2.53</span>

<dl class="api-definition">
<dt>Namespace</dt>
<dd><a href="../namespaces/opc.uafx.server">Opc.UaFx.Server</a></dd>
<dt>Assembly</dt>
<dd>Opc.UaFx.Advanced.dll</dd>
<dt>Package</dt>
<dd>Opc.UaFx.Advanced v2.59.0</dd>
<dt>Members</dt>
<dd><a href="./members">OpcServerSecurityRoles Members</a></dd>
</dl>

Provides the default [OpcAccessControlRole](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.server.opcaccesscontrolrole/) instances usually known to the [OpcServer](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.server.opcserver/).

## Syntax

<div class="api-signature" data-lang="csharp">

```csharp
public class OpcServerSecurityRoles
```

</div>

<div class="api-signature" data-lang="vbnet">

```vbnet
Public Class OpcServerSecurityRoles
```

</div>

## Inheritance

[Object](https://learn.microsoft.com/dotnet/api/system.object) → **OpcServerSecurityRoles**

## Properties

| Name | Description |
|---|---|
| [Anonymous](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.server.opcserversecurityroles/members#anonymous) | Gets the role which is allowed to browse and read non-security related Nodes only in the Server Object and all type Nodes. |
| [AuthenticatedUser](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.server.opcserversecurityroles/members#authenticateduser) | Gets the role which is allowed to browse and read non-security related Nodes. |
| [ConfigureAdmin](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.server.opcserversecurityroles/members#configureadmin) | Gets the role which is allowed to change the non-security related configuration settings. |
| [Engineer](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.server.opcserversecurityroles/members#engineer) | Gets the role which is allowed to browse, read/write configuration data, read historical data/events, call Methods or subscribe to data/events. |
| [Observer](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.server.opcserversecurityroles/members#observer) | Gets the role which is allowed to browse, read live data, read historical data/events or subscribe to data/events. |
| [Operator](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.server.opcserversecurityroles/members#operator) | Gets the role which is allowed to browse, read live data, read historical data/events or subscribe to data/events. |
| [SecurityAdmin](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.server.opcserversecurityroles/members#securityadmin) | Gets the role which is allowed to change security related settings. |
| [Supervisor](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.server.opcserversecurityroles/members#supervisor) | Gets the role which is allowed to browse, read live data, read historical data/events, call Methods or subscribe to data/events. |

## Methods

| Name | Description |
|---|---|
| [All](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.server.opcserversecurityroles/members#all) | Provides an enumerable sequence of all default roles. |

## Applies to

| Package | Versions |
|---|---|
| Opc.UaFx.Advanced | v2.53–v2.59 |