Обсуждение: Problems with the connection to a Remote Database.

Hi every body, my best regards for every one who reads
this message. I'm writing this message in order to get
some help with a problem I'm having with the
connection I make to a remote Database using
PostgreSQL on a Linux Operating System. The matter is
that when I make my connection every query I make
works pretty well during a few minutes after making
the connection, but if I leave the connection
established and go doing something, when I come back
to continue making queries, after more or less 10
minutes, the connection seems to be loosen and it says
that I have to reset the connection to continue
working. That's a big problem I'm having, because I
have developed an aplication that connects to a remote
Database while on internet and by default I lose my
connection very often while it is supposed not to do
that. I would like to have an alive connection during
more or less 20 hours without losing it unless I have
internet troubles or my computer desconets itself from
internet due some reason. If somebody read this
message and understood something, I would thank if it
is possible to tell me how I can solve this problem.
Please write me to wimogan@hotmail.com .
Expecting for answers .... Ariel Rodriguez

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=?iso-8859-1?q?Aryan=20Ariel=20Rodriguez=20Chalas?= <wimogan@yahoo.com> writes:
> Hi every body, my best regards for every one who reads
> this message. I'm writing this message in order to get
> some help with a problem I'm having with the
> connection I make to a remote Database using
> PostgreSQL on a Linux Operating System. The matter is
> that when I make my connection every query I make
> works pretty well during a few minutes after making
> the connection, but if I leave the connection
> established and go doing something, when I come back
> to continue making queries, after more or less 10
> minutes, the connection seems to be loosen and it says
> that I have to reset the connection to continue
> working.

Sounds like you have a firewall with a very short activity timeout
between you and the remote system.  You need to fix the firewall.
(The timeout is likely associated with discarding the NAT mapping
for your connection; you may be able to adjust it in the firewall's
NAT settings.)

Or, if you can't do that, program your application to send dummy
queries every so often ...

            regards, tom lane