Re: Ciphers none error in sshd_config
From: Ben Lindstrom (mouring_at_etoh.eviladmin.org)
Date: 07/15/03
- Previous message: Rick Cone, Secure Payment Systems: "Operation would block"
- In reply to: John Doe: "Ciphers none error in sshd_config"
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Date: Tue, 15 Jul 2003 12:53:10 -0500 (CDT) To: John Doe <compsec3@hotmail.com>
You are correct. OpenSSH does not support 'none' as an encryption option.
The book you are refering to is talking about SSH Corp's install.
- Ben
On Mon, 14 Jul 2003, John Doe wrote:
> All,
>
> I am using OpenSSH-3.6.1p1 on two Redhat 7.2 i386 machines.
>
> I am trying to transfer already encrypted files between machines. I don't
> want to re-encrypt the files but I do want to use ssh because of its strong
> authentication mechanisms (i.e. public key authentication). However, when I
> specify "Ciphers none" in my sshd_config file I get an error:
>
> Starting sshd:/etc/ssh/sshd_config line 12: Bad SSH2 cipher spec 'none'.
>
> I get the same error whether I specify Protocol 1 and or Protocol 2.
>
> Following advice from O'Reilly's book "SSH The Secure Shell, The Definitive
> Guide", I tried recompiling from source using:
>
> ./configure --with-none
>
> but it hasn't made any difference. In fact, "--with-none" isn't even listed
> as a configure option when I ran:
>
> ./configure --help
>
> My question then is this, has support for no encryption (i.e. Ciphers none)
> been eliminated from OpenSSH or am I doing something really stupid?
>
> James
>
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- Previous message: Rick Cone, Secure Payment Systems: "Operation would block"
- In reply to: John Doe: "Ciphers none error in sshd_config"
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