[ale] strange ssh

[David Tomaschik]

Does the disconnect occur with a MAC error?  I had a system causing
disconnects with MAC errors, occasionally couldn't connect due to a bad
handshake, etc, turned out the RAM was bad...  Makes me wonder what got
corrupted that didn't have SSH's level of integrity checking.


On Thu, Feb 27, 2014 at 3:10 PM, Jim Kinney <jim.kinney at gmail.com> wrote:

> On a closed, private network segment, I've started seeing odd behavior
> between 2 systems. ssh connections drop and a reconnect shows the "Wrong
> host key - man in the middle attack" error.
>
> *****The fingerprint it shows is the correct one for the host! *****
>
> This failure bounced around through 3 machines yesterday and is now only
> hitting a single cluster node. If I keep trying the ssh connection, I will
> eventually connect correctly. It won't stay up longer than about 10 minutes.
>
> I've done all the usual checks for security issues, file-system corruption
> and network gremlins (yep - still there but not involved in this that I can
> tell). I've reboot the affected systems (last ditch effort).
>
>
> The last change to the environment was to join two switches, network A was
> the affected network connection to network B, the IPMI network on a totally
> different LAN segment (Thanks Dell for being too cheap for dedicated IPMI
> ports).
>
> I'm going to disconnect that last connection to see if it goes away. In
> the meantime, any ideas?
> --
> --
> James P. Kinney III
>
> Every time you stop a school, you will have to build a jail. What you gain
> at one end you lose at the other. It's like feeding a dog on his own tail.
> It won't fatten the dog.
> - Speech 11/23/1900 Mark Twain
>
>
> *http://heretothereideas.blogspot.com/
> <http://heretothereideas.blogspot.com/>*
>
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-- 
David Tomaschik
OpenPGP: 0x5DEA789B
http://systemoverlord.com
david at systemoverlord.com
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