Re: Connection Manager ...

hi
you must configure your database in a MTS architecture. Then you put a fixed port number to one of the dispatchers. And your client can use this port number to pass through your firewall.
hth.

yang
senior oracle DBA

Michael Poremski wrote in message
<740i4t0b5du46of5g976afc4fkl9dnsjgm_at_4ax.com>...
>Dear Oracle Experts,
>
>I have a problem and I hope some advanced Oracle Experts in this
>newsgroup can help me to find the solution. Hopefully, the Problem is
>simple to solve.
>
>I use the Oracle 8i 8.1.5 EE Database and the Net8 Client.
>
>
>Problem Description:
>-------------------------------
>A Windows NT 4.0 WEB Server works *between* two firewalls, called in
>our company a "demilitatrized zone". One firewall controlled the
>traffic to the Internet (Port 80 = WEB based Applications) the other
>controlled the traffic to the Company's Intranet. The NT Server should
>communicate through *static* Ports through the firewall. .
>
>The most common Oracle Problem is, that the Database session is
>started via Port 1521 (by default) and then the Database sends the
>answer (the result set, per session) to a *dynamical* generated Port
>Address. The firewall Administrators won't give me the whole Port
>Adress Pool, you understand, but that's my Problem.
>
>I haven't any possibility to use other firewalls than the installed.
>It's a standard firewall without support of Oracle Databases ...
>
>My questions:
>--------------------
>I had heared, that the Oracle Connection Manager can be used to
>establish Database sessions through one static Port. I'm not sure,
>need I Port Multiplexing or Port Pooling?
>
>Do you have any examples or hints to solve my problem. Is it correct,
>if i use the CMAN to the same machine than the Database Server. The
>Net8 Client connect's to a static port though the Firewall and gets
>the result through one static port?
>
>Or must I install the CMAN on the Machine where the Net8 Client is
>installed?
>
>How many static ports must I configure to communicate through the
>Database over CMAN?
>
>Can I tell the Database Server to use a Port in a given range of
>ports?
>
>Many many thanks for your support!
>
>Best regards and have a nice New Years Eve.
>Michael Poremski
>
>
>My Email Address: michael.poremski_at_t-online.de
Received on Wed Dec 27 2000 - 11:45:39 CST