Troubleshooting Connectivity Issues From a Remote Client to a Database (Doc ID 271852.1)

Last updated on OCTOBER 27, 2016

Applies to:

Oracle Net Services - Version 8.1.7.1 to 12.1.0.2 [Release 8.1.7 to 12.1]
Information in this document applies to any platform.
Oracle client and the database server
***Checked for relevance on 21-APR-2014***


Goal

Sometimes, even though the local client can connect to the database server without any problem, remote clients fail to connect to the database though a firewall. This note provides a step-by-step method to troubleshoot this issue.

Solution

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