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EDIT: Issue resolved. I had to open the ports via the Plesk firewall.

I moved my node-application from my local Debian-VM to a CentOS-Server, where it also will be running in production one day.

There is the react-frontend part. Which is for development running through the react-scripts to start on port 3000 via npm start.

Then there is the backend which is just an api for fetching data and stuff, built with express.

Problem: Although starting these up throws no error at all, I can't access them through the browser or postman.

On my local VM it was just localhost + :port, but now I have an domain and I think there is the error that I don't see nor understand.

Hope someone can shed some light here. :)

bennouli
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  • Have you opened the firewall? https://stackoverflow.com/questions/24729024/centos-7-open-firewall-port – Thomas Johansen Nov 08 '17 at 09:30
  • When i try that command: `firewall-cmd --get-active-zones ` i get `FirewallD is not running`. So I'm assuming there is nothing to "open"? What i actually did was open the Ports 3000/4000 which are used by the application. But that was just copying commands from tutorials, so I'm only 90% sure i did it right. I believe the administrator of the server deactivated the firewall, because it was causing trouble with SSH connections. Now the Plesk-Firewall is enabled (If I understood him right) – bennouli Nov 08 '17 at 14:04

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