Can we have better ssh fingerprint collision messages?

Miroslav Suchý msuchy at
Tue Nov 12 12:47:27 UTC 2013

On 11/12/2013 08:42 AM, valent.turkovic at wrote:
> I work a lot with different kind of routers, openwrt and other
> embedded systems, and they all usually use same address -,
> so Ubuntu message is quite useful because gives me simple command that
> I just copy/paste so I can get rid of old finderprint and I can
> connect to new device with same IP but obviously different ssh
> fingerprint.

1) I get same message on Fedora. Not sure how you think that Ubuntu differs.

2) if you know that some machines change fingerprint and you *trust it* you can do:

	UserKnownHostsFile /dev/null

Miroslav Suchy, RHCE, RHCDS
Red Hat, Software Engineer, #brno, #devexp, #fedora-buildsys

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