You might want to look into changing the timeout because I set up a MASQ
server for some company a while ago and they were experiencing a similar
problem. I increased the timeout specially for the TCP connections and
everything worked out.
# ipfwadm -M -s 14400 60 300
> ----------
> From: Shawn Perkins[SMTP:[EMAIL PROTECTED]]
> Sent: Wednesday, April 21, 1999 10:58 AM
> To: [EMAIL PROTECTED]
> Subject: [Masq] Oracle Blues
>
>
> About three weeks ago we set up a Linux box to do
> masquerading, and to act as our corporate firewall for
> the company. All of our applications seem to work fine
> except Oracle. We use Oracle applications behind our
> firewall (Linux box) to connect to an Oracle server on
> the on the other side. We can make the initial
> connection and everything seems to work fine. When the
> application is not being used for more than 10 minutes
> or so, we get the following error from the Oracle
> application: Session attached to some other process,
> can not switch session, and we loose connectivity from
> the app to the server. When the application is
> restarted, everything once again will work fine, until
> the application is left idle. I thought this was some
> kind of TCP timeout on the Linux box, so I added the
> following command to the firewall script: ipchains -M
> -S 480 480 0
> This did not seem to make a differance. Any help will
> be greatly appreciated.
> We are running Redhat 5.2 with an updated kernel,
> version 2.2.5 and are using ipchains to set up the
> firewall policies.
>
> Sincerely,
> Shawn Perkins
>
>
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