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Easily open TCP and UDP protocols on the same port

· 2 min read
Lucía López
Junior Platform Engineer

If you’ve ever tried to expose both TCP and UDP on the same port using Kubernetes with AWS Load Balancers, you’ve probably run into a common limitation: you can only choose one protocol per port, which complicates applications that need both (such as real-time communications or gaming).

The good news is that AWS has released a feature that allows configuring listeners for both TCP and UDP on the same port, avoiding complex workarounds.