Listener

How to Prevent Remote Service Register with Listener

Posted on
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 exploit it to manipulate database instances without any authentication. A remote user may exploit it to influence the confidentiality, integrity and availability of database systems. With applying Class of Secure […]
Listener

How to Resolve The listener supports no services

Posted on
The Listener Supports Services
The listener supports no services I newly created a database called SMALLDB, but I can’t see any service registered with the new LISTENER2 which is listening to incoming connections from port 1522. The listener showed “The listener supports no services”. In fact, this message tells us that the listener is working fine, but no dynamic […]