On 25 sep 2009, at 02.59, Tom Lane <tgl@xxxxxxxxxxxxx> wrote:
Sam Mason <sam@xxxxxxxxxxxxx> writes:
+ if (portnum < 1 || portnum > 65535)
BTW, it strikes me that we could tighten this even more by rejecting
target ports below 1024. This is guaranteed safe on all Unix systems
I know of, because privileged ports can only be listened to by root-
owned
processes and we know the postmaster won't be one. I am not sure
whether it would be possible to start the postmaster on a low-numbered
port on Windows though. Anyone know? Even if it's possible, do we
want to allow it?
Windows doesn't care. A non privileged process can open any port, both
above and below 1024.
Other than that, I agree with previous comments - restricting this in
libpq won't actually help anything, but in a few limited cases it will
be very annoying.
/Magnus
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