I originally thought that was the exact issue. If you look at the
listener.log, the "new" port# is random. In fact even the rang of numbers
appears to be different on our different servers.

In spite of this, we're getting ports 33047 & 40147 consistantly; it appears
to be somehow be a function of the sid. We have restarted Tomcat many times
now and everything is working OK. I guess we should restart the box and see
if it still works.

Any other ideas or explanations?

-----Original Message-----
From: Tim Funk [mailto:[EMAIL PROTECTED]
Sent: Monday, June 09, 2003 10:01 AM
To: Tomcat Users List
Subject: Re: Why does Oracle in JSP uses multiple ports.


I have just learned that the thin driver uses 1521 to begin the
conversation.
But that is just a handshake. The handshake then says - "Let's finish the
rest of our work on another higher port" where the higher port is a range of
ports.

So you need a whole range of ports open. :(

-Tim

Brad Rhoads wrote:
> My client had to open port 1521 between the webserver and Oracle DB
server.
> This makes sense. But he also had to open port 33047 for our application
> pointing to the test SID and 40147 for the copy of the app pointing to the
> prod SID. Both ProdApp and TestApp are exactly the same except for the
> Oracle SID.
>
> Here's part of the log from their Check Point firewall (before they opened
> up these other ports):
>
> service sqlnet2-1521 is port 1521
> service WebServer is port 40147
>
>
> Number        Date    Time            Action  Service         Source  Destination    
>  Protocol
> 45488  5Jun2003       8:30:17 Accept  sqlnet2-1521    WebServer       
> synapse.berlinind
tcp
> 45489  5Jun2003       8:30:17 Drop            SynapseWeb              WebServer      
>  synapse.berlinind       tcp
> 45708  5Jun2003       8:31:50 Drop            SynapseWeb              WebServer      
>  synapse.berlinind       tcp
>
>
> Every SQL request sent through one 1521 which was accepted, and 2 40147s
> which were dropped.
>
> Can anyone explain this?
>
>
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