Port usage?

[Don]

Environment:
Oracle 8.1.6
AIX server behind a firewall
db is accessed by a Windows application running on a IIS web server sitting outside the firewall
db uses port 1521


After a flurry of email between the Unix admin and the 4 software vendors concerned, all the fingers are now pointing at "that damn oracle database". The Unix admin is asking two questions:

1) what Oracle is doing with the four ports 20,000 - 20,003
2) can he shut them down?


Any ideas are appreciated.

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Author: Don
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