openssh update broke connectivity
Jude DaShiell
jdashiel at panix.com
Mon Aug 17 14:43:13 UTC 2015
I need to find out which are the strong ciphers and use one of them to
generate a key set. Even so, I'm on panix.com not shellworld.net and I
cannot update my authorized-keys file with keys using a different cipher
using ssh-copy-id. I'll have to use garden variety ftp to do the update
this time. On Mon, 17 Aug 2015, Tony Baechler wrote:
> Date: Mon, 17 Aug 2015 07:41:51
> From: Tony Baechler <tony at baechler.net>
> Reply-To: Linux for blind general discussion <blinux-list at redhat.com>
> To: Linux for blind general discussion <blinux-list at redhat.com>
> Subject: Re: openssh update broke connectivity
>
> I have good news and bad news. The good news is the ssh problem isn't your
> fault. The bad news is you're going to have to either downgrade (not
> recommended) or make some configuration changes. It always pays to read the
> change logs first, especially when something used to work before the change.
> In this case, the problem is they disabled weak cyphers. I am not sure if
> you can turn them back on in ssh_config or if you have to recompile, but I
> think the later. The problem, I'm guessing, is that Shellworld is using a
> weak cypher by default. What do you get when you telnet to the IP address on
> port 22? I bet it's an older version of sshd. I suggest asking them to fix
> the problem on their end as everyone else who upgrades will eventually have
> the same problem. Alternatively, you could generate a new ssh key which uses
> a stronger cypher, but if it's an sshd problem on their end, that won't help.
>
> On 8/16/2015 9:24 PM, Jude DaShiell wrote:
>> The same thing happens when I try an ssh connect the script below just
>> shows
>> an instance of what happened when trying to use ssh-copy-id. I can send
>> the
>> openssh version in another message. I had done no modification to
>> configuration files between versions.
>
> ---
> ------------------
> Tony Baechler, Baechler Access Technology Services
> Putting accessibility at the forefront of technology
> mailto:bats at batsupport.com
> Phone: 1-619-746-8310 Fax: 1-619-449-9898
>
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