Kafka - Security
You configured Kafka broker with SSL but clients still connect without encryption. What is the most likely mistake?
You configured Kafka broker with SSL but clients still connect without encryption. What is the most likely mistake?
medium📝 Debug Q14 of 15
Step-by-Step Solution
Solution:
Step 1: Check client SSL configuration
Even if broker is configured for SSL, clients must also setsecurity.protocol=SSLto use SSL.Step 2: Understand effect of missing client SSL setting
If clients do not specify SSL, they connect using plaintext, ignoring broker SSL setup.Final Answer:
Clients did not set security.protocol to SSL -> Option BQuick Check:
Client SSL setting required for encrypted connection [OK]
Quick Trick: Both client and broker must enable SSL explicitly [OK]
Common Mistakes:
- Assuming broker config alone enforces SSL
- Blaming missing broker keystore without checking client
- Confusing truststore errors with client SSL setting
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