LIstener security and password

Guys  

Is there any opinion around the listener security and need for listener password and specifically related to LOCAL_OS_AUTHENTICATION.  

I have read about a bug (6454409) related to being able to bypass local os authentication but this is not visible in Metalink (maybe this will add to the thread about bug visibility).  

regards  

Rajendra Pande  

Please do not transmit orders or instructions regarding a UBS account by e-mail. The information provided in this e-mail or any attachments is not an official transaction confirmation or account statement. For your protection, do not include account numbers, Social Security numbers, credit card numbers, passwords or other non-public information in your e-mail. Because the information contained in this message may be privileged, confidential, proprietary or otherwise protected from disclosure, please notify us immediately by replying to this message and deleting it from your computer if you have received this communication in error. Thank you.

UBS Financial Services Inc.
UBS International Inc.

--
http://www.freelists.org/webpage/oracle-l