Question

Cannot access a port remotely but it works locally

Posted November 7, 2015 10.8k views
DigitalOcean Docker Networking Firewall Deployment

I want to access to 9000 port remotely.
This is the result for “sudo netstat -ntulp”

Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name
tcp 0 0 127.0.0.1:27017 0.0.0.0:* LISTEN 986/mongod

tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN 982/sshd

tcp6 0 0 :::9000 :::* LISTEN 4978/docker-proxy
tcp6 0 0 :::12201 :::* LISTEN 4960/docker-proxy
tcp6 0 0 :::22 :::* LISTEN 982/sshd

udp6 0 0 :::12201 :::* 4970/docker-proxy

So the 9000 port should be accessible remotely.
It works locally (both http://localhost:9000 and http://[ip-address]:9000) but when I try to connect remotely (http://[ip-address]:9000) it doesn’t work.
Also ufw is disabled.

Can anyone help?

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3 answers
udrzalv March 20, 2017

Same here..

tcp        0      0 0.0.0.0:22              0.0.0.0:*               LISTEN      1498/sshd       
tcp6       0      0 :::8080                 :::*                    LISTEN      9268/node       
tcp6       0      0 :::22                   :::*                    LISTEN      1498/sshd

but cant access 8080 at all. Even if I bind it to 0.0.0.0

it only works when I start it in docker and expose the ports.. then somehow I am able to connect to node running in docker. Anyone has idea what this could be?

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BrookDO November 13, 2015

Glad to hear it was a result of your own network configuration, and the problem is resolved.

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curiousgeorge February 28, 2017

I’m having the same problem, wondering if you remember what you did to solve this problem?

Trying to set up Grafana in Ubuntu, and when I run the same command I get

/var/log/grafana# sudo netstat -ntulp
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address           Foreign Address         State       PID/Program name
tcp        0      0 0.0.0.0:22              0.0.0.0:*               LISTEN      1636/sshd
tcp6       0      0 :::22                   :::*                    LISTEN      1636/sshd
tcp6       0      0 :::3000                 :::*                    LISTEN      2964/grafana-server
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  • ElTestigo April 6, 2017

    Hi, could you solve the issue? I have the same problem with Grafana, I cant reach the server from remote pcs, but when I load the main page on the grafana server it works.

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