Enable Auditing in WCF

 If you want to audit WCF Service, place the below configuration settings in web.config.

 

<configuration>

<system.serviceModel>

<behaviors>

<behavior>

<serviceSecurityAudit

auditLogLocation="Application"

suppressAuditFailure="true"

serviceAuthorizationAuditLevel="Failure"

messageAuthenticationAuditLevel=

"SuccessOrFailure" />

</behavior>

</behaviors>

</system.serviceModel>

</configuration>

 

Configure this setting to log security events for success, failure, or both. The events are written to the Windows system event log, and you can view  them in the Event Viewer.