APM-2884 Separate FaultRule for unauthorized access

Author: strutt

proxies/live/apiproxy/proxies/default.xml

@@ -60,9 +60,15 @@
     <Condition>(proxy.pathsuffix MatchesPath "/_status") and ((request.verb = "GET") or (request.verb = "HEAD"))</Condition>
   </RouteRule>
   <FaultRules>
+    <FaultRule name="AuthError">
+      <Step>
+        <Name>AssignMessage.OAuthPolicyErrorResponse</Name>
+      </Step>
+      <Condition>(RaiseFault.401Unauthorized.failed=true)</Condition>
+    </FaultRule>
     <FaultRule name="SplunkError">
       <Step>
-          <Name>AssignMessage.HandleSplunkHec</Name>
+        <Name>AssignMessage.HandleSplunkHec</Name>
       </Step>
       <Condition>((proxy.pathsuffix MatchesPath "/status") and (request.verb = "GET")) or ((proxy.pathsuffix MatchesPath "/_status") and ((request.verb = "GET") or (request.verb = "HEAD")))
       </Condition>