Re: Sqlnet & Firewall

Andrew Protasov wrote:
>
> Hi Johnny,
>
> 1521 (or 1526) is used only by listener when client program tries
> to connect. In dedicated mode (your case) new server process
> is forked by listener to serve client requests. And this new
> process uses another port (not 1521 or 1526). This is
> described in Net8 Administrator's Guide.
>
> Andrew Protasov
>
> default wrote in message <355068D9.F3467E9A_at_domain.com>...
> >Hi:
> >
> > I have Oracle 8.0.4 and Net8 on NT server, and Raptor System4.x
> >Firewall in the middle on another box. Firewall allows Sqlnet traffic go
> >through port 1521 only.
> >After Listener handshake on the server side, it pass back a different
> >port to the client instead of 1521, then the connection fails. The
> >Oracle server not runs as MTS,
> >no Oracle Connection Manager running either. Oracle Tech support say
> >Net8 could use the same port 1521 for Internet connection from Firewall,
> >but I look at Sqlnet
> >trace file at my client side it is not, I am not sure I miss something
> >on the server sqlnet setup? Any suggestion would help.
> >
> >Thank you
> >
> >Johnny
> >
> >

It maybe because you use NT as the server platform, I think there were posts before about the problems with the NT listener not capable of reusing ports.

Otherwise, the above setup works for me, I run Enterprise 8.0.3 on Solaris 2.5.1 .
--
Mitko Stoyanov

Systems Engineer				Ph. (02) 9288 3635
Email: mstoyan_at_newscorp.com.au			Fax (02) 9288 3171