> >
> > you've ruled out an operating system TCP connection limit?
> > Alan
> >
>
> We have done the check. Our limit is
>
>
> net.ipv4.ip_local_port_range = 32768 61000

this is a port range, not a TCP connection setting - no?
Alan

>
>
> And when Firebird stops responding, everything else with this server
> works.
> Its only Firebird that stops.
>
>