Troubleshooting ODP SSL, Keystore, and Truststore

This document covers SSL basics, including keystores and truststores, along with key concepts for troubleshooting SSL issues in distributed systems like Hadoop. It includes steps for handling self-signed, intermediate, and CA-signed certificates and tools to manage and validate certificates.

• What is SSL?
• Key Concepts: Keystore and Truststore
• Types of Certificates
• How to Check the Certificate Type?
• JKS Creation and Management
• Extracting Certificates and Keys
• Checking Subject Alternative Name (SAN) and Extensions
• Creating a Keystore in PKCS12 Format
• TLS Verification
• Checking SSL Ciphers
• Additional SSL Troubleshooting Commands
• Services SSL and Truststore Configuration
• Configure the Ranger Plugin Truststore SSL
• SSL Troubleshooting for Hadoop Clusters
• SSL/TLS Security Best Practices for Hadoop Clusters