By default, RemoteTCP connection is not
enabled in PostGres. Default behavior is to listen forTCP/IP connections
only on the local loopback address localhost. Therefore weneed to
modify pg_hba.conf File to enable remoteaccess in PostGres at C:\Program Files\PostGresSQL\9.3\data(Example for PG version 9.3).
enable Remote TCP conection in PostGres
原文：http://huifu.blog.51cto.com/2107077/1547705