Kafka - Security
You want to secure Kafka communication with SSL and also require client authentication. Which configuration combination is correct?
You want to secure Kafka communication with SSL and also require client authentication. Which configuration combination is correct?
hard📝 Application Q15 of 15
Step-by-Step Solution
Solution:
Step 1: Understand client authentication in Kafka SSL
To require client authentication, broker must setssl.client.auth=requiredand clients must provide keystore with their certificates.Step 2: Verify correct protocol settings
Both broker and client must usesecurity.protocol=SSLto enable SSL communication.Step 3: Eliminate incorrect options
Options with PLAINTEXT protocol orssl.client.auth=nonedo not enforce client authentication.Final Answer:
Broker: security.protocol=SSL, ssl.client.auth=required; Client: security.protocol=SSL, ssl.keystore.location set -> Option CQuick Check:
Client auth requires ssl.client.auth=required and client keystore [OK]
Quick Trick: Client auth needs broker ssl.client.auth=required and client keystore [OK]
Common Mistakes:
- Setting broker to PLAINTEXT while client uses SSL
- Not setting ssl.client.auth to required on broker
- Forgetting client keystore for authentication
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