I followed this wonderful tutorial about setting up the machines involved in the remote PostgreSQL connection on cyberciti .
But after that i still have one problem, the firewall is blocking the port 5432.
Say your client machine’s IP address is 188.8.131.52 and your server where’s your database is located at 9184.108.40.206
On your database server, add this iptables rule:
# iptables -I INPUT -i eth0 -p tcp --dport 5432 -s 220.127.116.11/32 -j ACCEPT
And on your client machine, try to connect:
psql -h 918.104.22.168 -d your_dbname -U your_db_user
And your done!
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NOTE: I tried the ‘-A’ instead of ‘-I’ and for some reason due to the order of rules, firewall still blocking it so you won’t still be able to connect.