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What essential ports are needed by Oracle for remote access besides 1521 and 1158?

edited Jun 23, 2009 4:33AM in Database Networking (MOSC) 6 commentsAnswered ✓
 Hi,

The appendix in the Oracle server installation guide for Linux platform provide a list of port numbers used by Oracle.  I think some of them are optional.   Besides 1521 (for Net Listener) and 1158 (for EM console HTTP), what other ports are essential for remote connectivity?  I am trying to minimized the number of ports to be opened on the firewall.

Thanks,

Simon

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