On 05/10/11 8:09 PM, =E6=9D=8E=E7=B4=85=E5=85=B5 wrote:
> I run my test program with 2 ways in the same login environment.One=20
> succeed and one fail.
>
> 1) psql -d dbi_link_test
> -->connect succeed
> 2) psql -h HOSTNAME -d dbi_link_test
> -->connect fail
>
> The different is connection options(Unix Domain Sockets/TCP Sockets).=20
is your server listen_addresses =3D '*' ? if not, its not listening on the=
=20
interface that will respond to connections to 'HOSTNAME'
and, is pg_hba.conf configured for an appropriate authentication method=20
for `host` connections ?