I 'm trying to connect postgresql database remotely ( Heroku ). I use ASP Web api but always i have the same exception :Message "28000: no pg_hba.conf entry for host \"xx.xxx.xxx.xxxx\", user \"User", database \"databasename\", SSL off" I search some solution by editing the pg_hba.conf file and i add : host databasename username xx.xxx.xxx.xxxx md5 and no change .