Peter Sabaini <peter(dot)sabaini(at)ait(dot)ac(dot)at> writes:
> it seems Postgres tries to send a UDP packet to a random high port to
> communicate with the statistics collector daemon. We have rather strict
> packet filter rules in place, and I'd like to make the system use a
> fixed port for this, or even better a Unix domain socket. Is this
> possible (setting a compile time or run time parameter)?
No, the stats collector just uses whatever port bind() chooses for it.
I'd suggest backing off your ideas about how much filtering is
appropriate for local connections.
regards, tom lane