"Matthew Nuzum" <cobalt(at)bearfruit(dot)org> writes:
> I'm not blocking them at the firewall, so they can see the server on
> that port, but can anyone suggest a text string and expected response
> that I can use to know that the server is OK?
I'd suggest sending a standard startup packet and looking for the
"you're not authorized" response. Unfortunately, the startup packet
isn't pure text ... can they cope with sending a string containing
nulls?
regards, tom lane