Re: Ciphers none error in sshd_config
From: Ben Lindstrom (mouring_at_etoh.eviladmin.org)
Date: Tue, 15 Jul 2003 12:53:10 -0500 (CDT) To: John Doe <firstname.lastname@example.org>
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.
On Mon, 14 Jul 2003, John Doe wrote:
> 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?
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