RE: Read Only Access For Telnet

From: Graham, John (john.graham@xxxxxxxx)
Date: Fri Aug 30 2002 - 08:48:43 GMT-3


   
Sorry. My bad.

Wrong link.

www.solarwinds.net/Tools/Cisco_Networking/Password_Decryptor/

-----Original Message-----
From: Volkov, Dmitry (Toronto - BCE) [mailto:dmitry_volkov@ca.ml.com]
Sent: 30 August 2002 12:46
To: 'Graham, John'; 'Owens, Michael'; 'Wright, Jeremy';
'security@groupstudy.com'
Cc: 'ccielab@groupstudy.com'
Subject: RE: Read Only Access For Telnet

>
>
> -----Original Message-----
> From: Graham, John [mailto:john.graham@cgey.com]
> Sent: Friday, August 30, 2002 5:11 AM
> To: 'Owens, Michael'; 'Wright, Jeremy'; 'security@groupstudy.com'
> Cc: 'ccielab@groupstudy.com'
> Subject: RE: Read Only Access For Telnet
>
>
> They obviously haven't done a web search then.
>
> http://www.kazmier.com/computer/cisco-noswing.html

!!!!! This decrypts only Level 7 passwords.
!!!!! This doesn't decrypt passwords encrypted with "enable secret" command

> -----Original Message-----
> From: Owens, Michael [mailto:Michael.Owens@FMR.COM]
> Sent: 28 August 2002 16:51
> To: 'Wright, Jeremy'; 'security@groupstudy.com'
> Cc: 'ccielab@groupstudy.com'
> Subject: RE: Read Only Access For Telnet
>
>
> The best way to solve this would be to use ACS with a TACACS+ database
> utilizing AAA.
>
> The quickest way is to just use the enable secret command.
> The Cisco decryption programs will not decrypt passwords set
> with the enable
> secret command. The enable password command should no longer
> be used. Use
> the enable secret command for better security. The only
> instance in which
> the enable password command might be tested is when the
> device is running in
> a boot mode that does not support the enable secret command.
>
> Enable secrets are hashed using the MD5 algorithm. As far as
> anyone at Cisco
> knows, it is impossible to recover an enable secret based on
> the contents of
> a configuration file (other than by obvious dictionary attacks).
>
> Michael C. Owens
>
> -----Original Message-----
> From: Wright, Jeremy [mailto:JA_WRIGHT@admworld.com]
> Sent: Wednesday, August 28, 2002 9:42 AM
> To: 'security@groupstudy.com'
> Cc: 'ccielab@groupstudy.com'
> Subject: Read Only Access For Telnet
>
>
> I have a remote location that is needing read only access to
> my router. I
> know you can decrypt the encrypted password in the show run
> and I want to
> eliminate the possibility of them doing that. What is the best way to
> accomplish this?
>
>
>
>
>
>
>
>
>
>
> ************************
> Jeremy Wright
> Network Analyst
> Archer Daniels Midland
> ja_wright@admworld.com
> (217)451-4063
>
> ************************



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