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Radius - shared secret

Posted on 2010-08-25
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Last Modified: 2012-05-10
Hi Experts,

I have a Radius installed on win2003r2.
Now we want to migrate to win2008 and we don't know the shared secret anymore.
It was done from another person, who left the company.
How to find out this key ?
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Question by:Eprs_Admin
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Expert Comment

by:pgerard
ID: 33522447
If its not documented, you'll need to create a new shared secret and distribute that out to the devices that are using RADIUS.
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Author Comment

by:Eprs_Admin
ID: 33522493
so there is no way to find it out ?
Is it the same pass which is entered at the pcf file for the VPN clients to connect ?
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LVL 3

Expert Comment

by:pgerard
ID: 33522744
No way to find it on the server that I'm aware of.  You may try looking at one of the devices connecting to the server to see if you can find the Shared Secret there.  I would think that there may be a firewall or something between the client VPNs and the RADIUS server.  You can find what device is using RADUIS in IAS.
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Author Comment

by:Eprs_Admin
ID: 33540028
ok, I hope we have it and we entered it.
I will test it on monday and let you know.
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Author Comment

by:Eprs_Admin
ID: 33768694
when I have the pcf file from the cisco vpn client, can I find out the shared secret ?
I have heared from a tool which can see the passwords instead of the stars.
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Accepted Solution

by:
Eprs_Admin earned 0 total points
ID: 33771570
ok I found out.
There are two different keys.
The server shared key and the VPN shared key.
Take care of it.
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