Today I learned how to properly open etcd ports using firewalld. Here’s a quick guide: FirewallD has a couple of predefined services with various ports. Find available services on FirewallD: You’ll find two services: etcd-client (port 2379/tcp) and etcd-server (port 2380/tcp). Identify Active Firewall Zones: Example output: Add these 2 services to your zone: P.S. …
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