Oracle is doing the normal ting : it is using port 1521 for calls to find the listener and then calling back on another port
to spread the load over multiple port's. This is done a port has a limited queue to hold in- and out- coming messages.
If you what to use Oracle listener and database behind a firewall by a sql*net proxy for the firewall and the firewall is then
able to handle sql*net without problems.
Don wrote:
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.
-- Peter Gram, Miracle A/S Phone : +45 2527 7107, Fax : +45 4466 8856 mailto:peter.gram@;MiracleAS.dk - http://MiracleAS.dk
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