Can we have better ssh fingerprint collision messages?

Reindl Harald h.reindl at
Mon Nov 11 22:19:17 UTC 2013

Am 11.11.2013 23:15, schrieb Richard W.M. Jones:
> On Mon, Nov 11, 2013 at 11:11:57PM +0100, Reindl Harald wrote:
>> Am 11.11.2013 23:05, schrieb Bruno Wolff III:
>>> On Mon, Nov 11, 2013 at 23:03:04 +0100,
>>> "valent.turkovic at" <valent.turkovic at> wrote:
>>>> I really enjoy working with ssh on Ubuntu just for this simple reason,
>>>> they have user friendly ssh fingerprint collision messages:
>>> I get these messages when I change host keys
>> no you do not, you get this one
>>> The authenticity of host '[srv-rhsoft]:22 ([]:22)' can't be established.
>>> RSA key fingerprint is 4d:64:fa:f7:78:ac:f2:2d:59:4d:59:35:5d:a2:ca:70.
>>> Are you sure you want to continue connecting (yes/no)?
> I don't think so.  That's the one I get when there is no host key yet
> associated with a host

no - i simply took the host-key of another machine in my "known_hosts" file
pressed save and tried to connect to the host, maybe this happens because
there are more than one lines for each host (IP, only local part, FQ) but
that is in fact what you get

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