Procedure

1. Identify the reason for the TLS connection issue.
   1. In the management console, go to Administration → Monitoring / Scanning → TLS Traffic Inspection → Inspection Settings → Domain Tunneling → Configure tunneled domain.
   2. If you understand and are able to resolve the issue, then do so. Otherwise, use the steps below to continue troubleshooting.
2. If you are unable to find the issue in Domain Tunneling, then view abnormal connection information in the TLS Connection Monitoring troubleshooting screen.
   1. Go to https://<appliance IP address>/html/troubleshooting.htm and then click TLS Connection Monitoring.
      The TLS Connection Monitoring screen appears.
   2. Type a client IP address and then click Monitor.
   3. After sufficient data is monitored, stop the monitoring.

      Note The monitoring can only save up to 10 minutes of data.

   4. If you understand and are able to resolve the issue, then do so. Otherwise, use the steps below to continue troubleshooting.
3. If you are unable to find the issue in TLS Connection Monitoring, then collect more details and contact your support provider.
   1. Go to https://<appliance IP address>/html/troubleshooting.htm and then click TLS Network Traffic Dump.
      The TLS Network Traffic Dump screen appears.
   2. Type a client IP address and optionally type the server IP address and port, and then click Capture Packets.
   3. After sufficient data is captured, stop the capture.
   4. If the client application that you are using has a log file with TLS connection information, take a screen shot of the client application log.
   5. Take screen shots of your TLS traffic inspection settings.
   6. Send the traffic dump and screen shots to your support representative.