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

Last updated on FEBRUARY 18, 2019

Applies to:

Oracle Net Services - Version 11.1.0.6 to 11.2.0.4 [Release 11.1 to 11.2]
Information in this document applies to any platform.
This problem can occur on any platform.

Symptoms

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 :

 

ntt2err: soc <XXXX> error - operation=1, ntresnt[0]=502, ntresnt[1]=113, ntresnt[2]=0
ntt2err: exit
nttcni: exit
nttcon: exit
nserror: entry
nserror: nsres: id=0, op=65, ns=12532, ns2=12560; nt[0]=502, nt[1]=113, nt[2]=0; ora[0]=0, ora[1]=0, ora[2]=0
nsopen: unable to open transport

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

Cause

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In this Document
Symptoms
Cause
Solution
References


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