Warning: pg_connect(): Unable to connect to PostgreSQL server: could not connect to server: Permission denied Is the server running on host \"10.0.1.201\" and accepting TCP/
In PostgreSQL you have to configure client authentication in pg_hba.conf on the remote server.
Read more about pg_hba.conf @ http://developer.postgresql.org/pgdocs/postgres/auth-pg-hba-conf.html , otherwise you'll never connect to that server :).