"Sriram Dandapani" <sdandapani(at)counterpane(dot)com> writes:
> When I update pg_hba.conf to disallow certain client machines from
> connectiong (update pg_hba.conf, pg_ctl reload), I still see new
> connections appearing in the process list from the clients I want to
> disconnect.
Sounds to me like a mistake in your pg_hba file, ie, there is still
a line that allows them to connect. We've also heard of people editing
the wrong copy of pg_hba.conf, or sighup'ing the wrong postmaster ...
regards, tom lane