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AuditLevel Enumeration

Specifies when to audit security events.

Namespace:  System.ServiceModel
Assembly:  System.ServiceModel (in System.ServiceModel.dll)

public enum AuditLevel

Member nameDescription
FailureOnly failed security-related events will be recorded.
NoneNo events will be recorded. This is the default.
SuccessOnly successful security-related events will be recorded.
SuccessOrFailureBoth failed and successful security-related events will be recorded.

When creating a Windows Communication Foundation (WCF) application that requires authentication and/or authorization of the callers, you can specify that events related to security be recorded for either success, failure, or both. The level of auditing is determined by this enumeration.

The location of the audit log is specified by setting the AuditLogLocation property of the ServiceSecurityAuditBehavior class to one of the AuditLogLocation values.

For more information about auditing, see Auditing Security Events.

You can also specify audit behavior using the <serviceSecurityAudit> binding.

The following example sets the MessageAUthenticationAuditLevel and ServiceAuthorizationAuditLevel properties to one of the AuditLevel values.

public static void Main()
{
    // Get base address from appsettings in configuration.
    Uri baseAddress = new Uri(ConfigurationManager.
        AppSettings["baseAddress"]);

    // Create a ServiceHost for the CalculatorService type  
    // and provide the base address. 
    using (ServiceHost serviceHost = new 
        ServiceHost(typeof(CalculatorService), baseAddress))
    {
        // Create a new auditing behavior and set the log location.
        ServiceSecurityAuditBehavior newAudit = 
            new ServiceSecurityAuditBehavior();
        newAudit.AuditLogLocation = 
            AuditLogLocation.Application;
        newAudit.MessageAuthenticationAuditLevel = 
            AuditLevel.SuccessOrFailure;
        newAudit.ServiceAuthorizationAuditLevel = 
            AuditLevel.SuccessOrFailure;
        newAudit.SuppressAuditFailure = false;
        // Remove the old behavior and add the new.
        serviceHost.Description.
            Behaviors.Remove<ServiceSecurityAuditBehavior>();
        serviceHost.Description.Behaviors.Add(newAudit);
        // Open the ServiceHostBase to create listeners  
        // and start listening for messages.
        serviceHost.Open();

        // The service can now be accessed.
        Console.WriteLine("The service is ready.");
        Console.WriteLine("Press <ENTER> to terminate service.");
        Console.WriteLine();
        Console.ReadLine();

        // Close the ServiceHostBase to shutdown the service.
        serviceHost.Close();
    }
}

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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