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OUD - Security TroubleShooting - Debugging SSL Connection Using Openssl s_client Command (Doc ID 1396054.1)

Last updated on MAY 17, 2018

Applies to:

Oracle Unified Directory - Version 11.1.1.5.0 and later
Information in this document applies to any platform.
***Checked for relevance on 15-07-2013***

Purpose

The goal of this document is to explain how to it is possible to debug a SSL connection using Openssl s_client command.

The s_client command implements a generic SSL/TLS client which connects to a host using SSL/TLS. It is a very useful diagnostic tool for SSL servers.

Details

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In this Document
Purpose
Details
 1) Prerequisite
 2)  Symptom: Connection refused
 3) symptom:  Verify return code: 18 (self signed certificate)
 4) Example of working session (Verify return code: 0 (ok))
References

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