On 2009-06-18, David Shen <davidshen84(at)googlemail(dot)com> wrote:
> Hi,
>
> I am trying to use the libpq to connect to my postgresql 8.3 server.
> If I use "dbname = mydb", the connection made successfully because I
> am using a socket connection. But if I use "host = 127.0.0.1 dbname =
> mydb", the error message is "no password supplied".
>
> In the pg_hba.conf file, I even change the host access control to this:
> host all all 127.0.0.1/32 trust
>
> but it still does not work. What I missed?
postgres doesn't know who you are! specify a user in the connection
string.
you can use "ident sameuser" over TCP connections but it is no more
secure than the originating host. (it works via RFC1413)