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How to ping a private host within a private network?
I’ve created two VPS droplets running ubuntu 18.04 on each. Droplet #1 will be a load balancer powered by nginx. Droplet #2 will be an app server layer running node JS on port 3000.
I am trying to reverse proxy requests to the node server but it seems I am unable to communicate with the two instances.
In order to debug this, I am trying to simply determine how to get one droplet to communicate to another droplet using the private IP.
Currently, when I ping or telnet to the private IP of droplet #2, I get 100% loss of packets for ping and telnet does not respond either.
Can you please help me to understand if I am missing a firewall rule or some other configuration setting to get the two to communicate? I would have thought they could communicate over the private network.
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