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Pete Finnigan
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listener password
« on: Dec 2nd, 2005, 3:04pm »
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hey pete,
i have two questions for you, i am a newbie in the business and i am dealing with oracle security.  
 
here s my question:
did oracle do anything about the listener password(or its hash, you can login with both), traveling with all of the listener commands?  
 
another question:
can a new kind of authentication scheme applied on top of oracle listener, in which authentication is done without sending the password, or hash; instead a one-time session key?
 
thanks in advance,
emre cakir
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Re: listener password
« Reply #1 on: Dec 4th, 2005, 9:32pm »
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Hi,
 
In answer to your first question. It is fixed in 10g at least and i believe in 9.2.0.X (not sure which "X" now though - would need to check).  
 
I am not sure what you are asking in your second question. I think you mean is it possible to enhance the listener authentication. Do you mean us? the users and customers of Oracle or do you mean for Oracle themselves to do it?
 
cheers
 
Pete
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Pete Finnigan
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Re: listener password
« Reply #2 on: Dec 5th, 2005, 2:12pm »
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thanks for your attention, regarding my second question, i mean us the customers, i know that there are ways to authenticate users without requiring them so send their passwords through network, and it can be applied on top of vulnerable tns listeners, i guess.
 
thanks again,
have a good day.
emre cakir
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Re: listener password
« Reply #3 on: Dec 5th, 2005, 6:09pm »
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Hi,
 
I am not sure how you could change the authentication process yourself for the listener but you can use network encryption between admin terminals that send the password to the listener and the listener itself. You can use Oracle ASO or free solutions such as OpenSSH. Of course you cannot protect every connection to the listener like this but you don't need to. You only need to protect the legitimate ones and then limit network traffic so that it can only come into the listener from those.  
 
hth
 
cheers
 
Pete
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Pete Finnigan
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Re: listener password
« Reply #4 on: Dec 6th, 2005, 7:27am »
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i see what you mean, openSSH + connection manager (or valid node checking)
 
thx a lot,  
cakir
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Re: listener password
« Reply #5 on: Dec 6th, 2005, 12:14pm »
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on Dec 4th, 2005, 9:32pm, Pete Finnigan wrote:
It is fixed in 10g at least and i believe in 9.2.0.X (not sure which "X" now though - would need to check).  

At least it isn't fixed in Windows platform. I tested it on 9.2.0.7 and CPUOCT05 applied. Undecided
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Pete Finnigan
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Re: listener password
« Reply #6 on: Dec 6th, 2005, 8:20pm »
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Hi,
 
Thanks for the update, I was not 100% sure it was fixed in 9i but I thought that I had seen it fixed  - I might have been wrong though. Thanks for confirming that its still a bug at least on Windows.
 
cheers
 
Pete
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