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Re: Problem with SSH host keys



On Tue, Sep 23, 2014 at 01:26:36PM -0700, Don Armstrong wrote:
> On Tue, 23 Sep 2014, Keith Lawson wrote:
> > I'm running jessie on my laptop and after doing a dist-upgrade
> > yesterday I'm getting SSH host key errors for a bunch of servers I've
> > been connecting to for years:
> > 
> > The authenticity of host 'blah' can't be established.
> > RSA key fingerprint is e8:08:db:b0:e7:38:57:d4:82:a8:a4:1c:42:f0:25:09.
> > Are you sure you want to continue connecting (yes/no)?
> > 
> > The host keys are in ~/.ssh/known_hosts and haven't changed on the
> > server side.
> 
> Do you have both the RSA and DSA keys in known_hosts?
> 

ssh-keygen -l -f .ssh/known_hosts only lists RSA and ECDSA keys. 

> Do you all of the ip addresses and hostnames listed for those keys in
> known_hosts?
> 

These are all servers I've been connecting to for years so I should have their IP and host keys. 

> -- 
> Don Armstrong                      http://www.donarmstrong.com
> 
> The attackers hadn't simply robbed the bank. They had carried off
> everything portable, including the security cameras, the carpets, the
> chairs, and the light and plumbing fixtures. The conspirators had
> deliberately punished the bank, for reasons best known to themselves,
> or to their unknown controllers. They had superglued doors and
> shattered windows, severed power and communications cables, poured
> stinking toxins into the wallspaces, and concreted all of the sinks
> and drains. In eight minutes, sixty people had ruined the building so
> thoroughly that it had to be condemned and later demolished.
>  -- Bruce Sterling, _Distraction_ p4
> 
> 
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