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SQL*Net and Firewalls

936749Nov 1 2012 — edited Nov 1 2012

Hi,
We've started a discussion with our network team in regards to how SQL*Net behavior is through a firewall.
When working with networks guys several years ago we've always heard that a client may connect to the database on 1521 but the database may open high ports back to the client.
Is this still an issue on Oracle 10g -> or has this never been the case?

The issue is that we run Cisco FWSM (firewall) with inspect SQL*Net witch seems to limit throughput through our firewall.
We're moving a lot of databases with datapump and using network_link to move the data over our network and through the Cisco firewall.

Is it safe to remove SQL*Net inspect in the firewall and will all communication be on port 1521 all the time?
Regards
933746

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Locked on Nov 29 2012

Added on Nov 1 2012

#11g, #database, #general-database-discussions, #import, #oracle, #performance

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