OCR error 4807 when using a load balancer in DLP

Products

• Data Loss Prevention
• Data Loss Prevention Sensitive Image Recognition

Issue/Introduction

Error 4807 - The client and/or OCR server are not authorized with each other.
Five OCR servers are behind an F5 load balancer using non-persistent connections.
The Detection server cannot communicate with the OCR servers.
If the load balancer is bypassed the Detection server can communicate with an OCR server.

The 4807 error means:
The client and/or OCR server are not authorized with each other.
Unable to verify client and server with each other as authorized endpoints. Please verify that the client and server keystores are configured correctly. Check logs on detection server and OCR server for more details.

Environment

Release: 15.8

Component: OCR

Resolution

Add the Detection server keys to the load balancer and the load balancer keys to the Detection server.
Add the OCR server(s) keys to the load balancer and the load balancer keys to each OCR server.