If packets are dropped, increasing timeout will not help.
There are things in this world which cannot be done by
modifying oracle parameter values.
On 2003.07.10 05:19, Manoj Kumar Jha wrote:
also check the value of CONNECT_TIMEOUT_<lsnr>,
its default value is 10 (secs).
----- Original Message -----
To: "Multiple recipients of list ORACLE-L" <[EMAIL PROTECTED]>
Sent: Thursday, July 10, 2003 11:04 AM
Oh boy!
You need to fix that firewall. You should
a) allow your local nodes to go out on Oracle*Net port (and I advise against
1521, 1526 and 1527).
b) allow certain IP addresses to go in your LAN by using Oracle*Net port.
Second thing to do would be to have a SSL firewall and use Advanced
Networking
or, alternatively, configure Oracle*Net to tunnel through firewalls by using
ssh. The latter is described on in the following article by R. Schrag:
http://www.dbspecialists.com/presentations/net8_security.html
There are tons of options for you and I could easily write an article about
Oracle*Net and firewalls (Thermopilae in Greek). The best thing to do is to
read a few articles about firewalls and Oracle*Net until you find something
that fits your needs. It's half past midnight and I'm tired. May gods be
with
you. There was a guy named Leonidas who was the original security
administrator at the original firewall. Be brave, your work is much easier
then his was.
On 2003.07.10 00:44, Bob Robert wrote:
> Could someone share with me if you come across similar
> kind of configuration.
> --- Mladen Gogala <[EMAIL PROTECTED]> wrote:
> > You obviously do need special configuration.
> > You are welcome.
> >
> > On 2003.07.08 17:09, Bob Robert wrote:
> > > All,
> > >
> > > I am getting following error message when I try to
> > > connect though firewall (from DMZ to Network).
> > >
> > > ORA-12535: TNS:operation timed out
> > >
> > > Do I need to do special configuration (like cman)
> > > around firewall?
> > >
> > > Thanks In Advance,
> > > Bob
> > >
> > >
> > >
> > > __________________________________
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> > >
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> > Mladen Gogala
> > Oracle DBA
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--
Mladen Gogala
Oracle DBA
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Received on Thu Jul 10 2003 - 06:16:20 CDT
