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[ale] strange ssh
- Subject: [ale] strange ssh
- From: smcbrien at gmail.com (Scott McBrien)
- Date: Thu, 27 Feb 2014 19:36:57 -0500
- In-reply-to: <[email protected]om>
- References: <[email protected]om>
My first line of inquiry would be DNS servers/records. If someone has multiple records for your name, then you'll be round-robin'ed.
> On Feb 27, 2014, at 6:10 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
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