I have an app deployed on Heroku that has a postgresql db added as an add-on, upon connecting to it from pgadmin3 for the first time it is getting connected but then afterwards on subsequent connections most of the times it is showing an error dialog and rarely it gets connected. I even did the changes that were suggested in the error dialog. I have no idea regarding this ambiguity.
The server doesn't grant access to the database: the server reports FATAL: password authentication failed for user "bcueventxumaik" FATAL: no pg_hba.conf entry for host "10x.8x.80.2xx", user "bcueventxumaik", database "d69dc8daX899vX", SSL off
To access a database on a PostgreSQL server, you first have to grant primary access to the server for your client (Host Based Authentication). PostgreSQL will check the pg_hba.conf file if a pattern that matches your client address / username / database is present and enabled before any SQL GRANT access control lists are evaluated.
The initial settings in pg_hba.conf are quite restrictive, in order to avoid unwanted security holes caused by unreviewed but mandatory system settings. You'll probably want to add something like host all all 192.168.0.0/24 md5
This example grants MD5 encrypted password access to all databases to all users on the private network 192.168.0.0/24. You can use the pg_hba.conf editor that is built into pgAdmin III to edit the pg_hba.conf configuration file. After changing pg_hba.conf, you need to trigger a server configuration reload using pg_ctl or by stopping and restarting the server process.
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