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Enabling FIPS mode for TLS / SSL does not allow the listener to start. Either core dump (crash) or TNS-12537 or TNS-00543. (Doc ID 2884060.1)

Last updated on APRIL 17, 2023

Applies to:

Oracle Database - Enterprise Edition - Version and later
Information in this document applies to any platform.


When enabling fips for SSL by putting entering data in the fips.ora file, the TCPS Listener fails to start.
You are following the steps in the Admin Guide:
Security Guide:
E.3.1 Configuring the SSLFIPS_140 and SSLFIPS_LIB Parameters for Transport Layer Security

Depending on the parameter, this results in different errors / conditions.
Below are example files and values.

1a) The fips.ora file (located in the $ORACLE_HOME/ldap/admin which is the default):


 Attempting to enable FIPS 140-2 for TLS / SSL use.


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