I have a python app running at port 9000 and want to connect externally. So, I open port 9000 in ufw, checked wheather port app is listen and created rule at Digital Ocean firewall. I can connect to postgres at port 5432 and ssh, but cannot connect to port 9000.
sudo netstat -plnt Active Internet connections (only servers) Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name tcp 0 0 127.0.0.53:53 0.0.0.0:* LISTEN 692/systemd-resolve tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN 877/sshd tcp 0 0 0.0.0.0:5432 0.0.0.0:* LISTEN 937/postgres tcp 0 0 0.0.0.0:9000 0.0.0.0:* LISTEN 1184/python3.6 tcp6 0 0 :::22 :::* LISTEN 877/sshd tcp6 0 0 :::5432 :::* LISTEN 937/postgres
sudo ufw status Status: active To Action From -- ------ ---- 9000/tcp ALLOW Anywhere 9001/tcp ALLOW Anywhere 10001/tcp ALLOW Anywhere 10000/tcp ALLOW Anywhere 5432/tcp ALLOW Anywhere 22/tcp ALLOW Anywhere 22 ALLOW Anywhere 9000/tcp (v6) ALLOW Anywhere (v6) 9001/tcp (v6) ALLOW Anywhere (v6) 10001/tcp (v6) ALLOW Anywhere (v6) 10000/tcp (v6) ALLOW Anywhere (v6) 5432/tcp (v6) ALLOW Anywhere (v6) 22/tcp (v6) ALLOW Anywhere (v6) 22 (v6) ALLOW Anywhere (v6)
Can someone help me, please?
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