Class of Secure Transport (COST)

TNS-01194: The listener command did not arrive in a secure transport

by Ed Chen
August 5, 2018October 3, 2021

TNS-01194 After adding SECURE_REGISTER_LISTENER to the listener.ora to prevent TNS Listener remote poisoning, we found TNS-01194 in the listener log of the server. Let's check… Read More »

How Oracle Prevent TNS Listener Remote Poisoning

by Ed Chen
August 4, 2018February 22, 2023

A vulnerability related to TNS listener has been reported in Oracle Security Alert for CVE-2012-1675, which is disclosed as "TNS Listener Poison Attack". Attackers may… Read More »