Simple question (I think)

  • From: "Zanen, dhr. J.A. \(Jack\) van" <zanenj@xxxxxxxxxxxxxxxx>
  • To: <oracle-l@xxxxxxxxxxxxx>
  • Date: Wed, 2 Aug 2006 13:11:58 +0200

Hi All,

This is what needs to be done:
We have a website in a DMZ that needs to access data in our databases
that are behind a firewall.
I have never had to deal with DMZ, firewall issues before, so I ask this
list for some advice

In the past shared servers on specific ports were configured for 1
database so that it was easy to go through the firewall.

This is what they configured:
mts_dispatchers="(address=(protocol=tcp)(host=10.5.2.7)(port=50001))(dis
patchers=1)"
mts_dispatchers="(address=(protocol=tcp)(host=10.5.2.7)(port=50002))(dis
patchers=1)"
mts_dispatchers="(address=(protocol=tcp)(host=10.5.2.7)(port=50003))(dis
patchers=1)"
mts_dispatchers="(address=(protocol=tcp)(host=10.5.2.7)(port=50004))(dis
patchers=1)"
mts_dispatchers="(address=(protocol=tcp)(host=10.5.2.7)(port=50005))(dis
patchers=1)"

This works well, these ports have been opened on the firewall and
connections can be made.

Now I need to do this same trick for 2 more databases one of which is on
the same machine as the original.

I can find parameters to set but I have the feeling that for the second
database on the same machine I need to configure different port numbers.
Is this correct?
For the other database that is on a different server I can use the same
ports and therefore does not require additional open ports in the
firewall.

SECOND question.

Is this a good way to go through the firewall? Or are there issues with
this way of doing it. Furthermore hwo did you solve this.

Thanks for reading

Jack






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