…when testing a server on your machine, configure your modem’s port forwarding. If that does not help, contact your internet provider. My provider blocked my NAT port forwarding until I told them I would switch to another provider 
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…when testing a server on your machine, configure your modem’s port forwarding. If that does not help, contact your internet provider. My provider blocked my NAT port forwarding until I told them I would switch to another provider .