Re: Firwall keep-alive parameter?

I've dealt with this problem a while back and wrote some notes on this: http://li555li.blogspot.com/2014/09/, hope it helps...

On Wed, Jan 31, 2018 at 9:36 AM, Dennis Williams < oracledba.williams_at_gmail.com> wrote:

> List,
>
> We have a factory with a requirement to keep a client connected with no
> activity for over 2 hours. Eventually the firewall times out stale
> connections.
>
> Does anyone know of an Oracle network parameter that will send an
> occasional packet to keep the firewall from killing the connection? I've
> looked at CONNECT_TIMEOUT_LISTENER and SQLNET_EXPIRE_TIME, but if I
> understand the documentation correctly (not easy when this becomes an
> emergency at 2 am.), these actually just kill stale connections, not keep
> them open.
>
> Any suggestions appreciated.
> Dennis Williams
>

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