no pg_hba.conf entry for host user database ssl off
Add or edit the following line in your postgresql.conf :
listen_addresses = '*'
Add the following line as the first line of pg_hba.conf. It allows access to all databases for all users with an encrypted password:
# TYPE DATABASE USER CIDR-ADDRESS METHOD
host all all 0.0.0.0/0 md5
Restart Postgresql after adding this with service postgresql restart or the equivalent command for your setup.