Postgresql remote connection port not accessible

I bought a VPS from DigitalOcean. I installed Postgresql 9.3 and trying to accept remote connections from that. I read all of the solutions/problems about it (Googled much) and did exactly. The problem is the following:code

psql: could not connect to server: Connection refused Is the server running on host “” and accepting TCP/IP connections on port 5432?

I edited the postgresql.conf file with listenaddresses=‘*’ I edited the pghba.conf file and added host all all md5 I restarted postgresql service and even the VPS however still I cannot connected to the database. So I tried to check the server’s listening ports:

netstat -an | grep 5432 tcp 0 0* LISTEN tcp 0 0 ESTABLISHED tcp 171 0 CLOSE_WAIT tcp 0 0 ESTABLISHE unix 2 [ ACC ] STREAM LISTENING 8356 /tmp/.s.PGSQL.5432

and then I nmap’ed the server from different machine:

Not shown: 996 closed ports PORT STATE SERVICE 21/tcp open ftp 22/tcp open ssh 80/tcp open http 443/tcp open https

But still I cannot understand why postgresql not serving at the port 5432 after the configurations. I thought it might be caused by iptables. So that I add the following rules:

iptables -A INPUT -p tcp -m tcp --dport 5432 -j ACCEPT iptables -A OUTPUT -p tcp -m tcp --dport 5432 -j ACCEPT

I have contacted to support also but solution.


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