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Check and verify permissions: The first step in addressing Docker authorization problems with Prometheus/Grafana/Jenkins is to check and verify the permissions of the user that is running the Docker container.

Use appropriate Dockerfile: Ensure that the Dockerfile being used specifies appropriate authorization parameters and permissions for the containerized application.

Use Docker Secrets: Another approach is to use Docker Secrets to securely store and manage authentication and authorization credentials. Secrets can be encrypted and decrypted only by the Swarm manager, ensuring that sensitive data is kept secure and out of the reach of unauthorized access.

Use a trusted image: Using a trusted image from an official registry like Docker Hub can alleviate security concerns and ensure that you are running a reliable and secure container.

Use security plugins: Tools such as Docker Content Trust can be used to verify image authenticity, and Docker Security Scanning can help identify vulnerabilities in Docker images.

Implement proper access control: Prometheus, Grafana, and Jenkins all support user access control mechanisms, implemented via roles and permissions. Ensure that users are only granted access to the resources they need and keep the permissions for each user up-to-date.

Use SSL/TLS: Encrypting communications between Docker containers can protect sensitive data from prying eyes. Deploy SSL/TLS protocols where appropriate to ensure secure communication between Docker containers.

Enable auditing: Finally, enable auditing to track access and changes to Docker containers. By logging events and changes, you can identify suspicious activity and take corrective action.