Re: Ciphers none error in sshd_config

From: Ben Lindstrom (mouring_at_etoh.eviladmin.org)
Date: 07/15/03

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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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