Port Conflicts Between Services in Different Namespaces

Port conflicts between services in different namespaces led to communication failures.

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What Happened

Two services in different namespaces were configured to use the same port number, causing a conflict in service communication.

Diagnosis Steps

1Checked service configurations and found that both services were set to expose port 80.
2Verified pod logs and found that traffic to one service was being routed to another due to the port conflict.

Root Cause

Port conflicts between services in different namespaces.

Fix/Workaround

• Updated the service definitions to use different ports for the conflicting services.
• Redeployed the services and verified communication.

Lessons Learned

Avoid port conflicts by ensuring that services in different namespaces use unique ports.

How to Avoid