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TNS-12532 / ORA-12532 ' TNS: Invalid Argument' Error Reported When Firewall Is Enabled (Doc ID 748466.1)

Last updated on MARCH 31, 2022

Applies to:

Oracle Net Services - Version to [Release 11.1 to 11.2]
Information in this document applies to any platform.
This problem can occur on any platform.


Firewall is enabled between the clients and server.
On trying to connect from the client host, the following error is reported :
ORA-12532: TNS : invalid argument

Client trace indicates the following :


Here the OS error is 113 -No route to host in Linux platform.


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