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I am trying to use nodejs and to deliver a webapp, which use websocket on port 3000.

I have opened port 3000 on my EC2 instance in my management console by adding the inbound TCP rule to the relevant security group, however I still can't access it via public dns on my browser.

sudo netstat -tulpn doesn't show it as an open port.

What am I missing? Is there some service I need to restart or a command line I need to push to get it running?


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did you solve the problem eventually? – Shih-Min Lee Oct 29 '15 at 9:16

Is the port open on the node server?

iptables -A INPUT -p tcp -m tcp --dport 3000 -j ACCEPT

Check both iptables and SElinux entries

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