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  • Published Question

    cannot connect to a port

    My droplet has debian os. I have a java application running which tries to exchange data with remote similar applications. This data exchange has previously worked across remote environments where each node has been a...
    Accepted Answer: Hello, It sounds like that your Java app is binding to 127.0.0.1:4000 rather than 0.0.0.0:4000 so that's why you can only access it locally from the server itself. To check if this is true you can run: netstat -plant...
    1 By stewartvince DigitalOcean Cloud Firewalls