[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[ale] strange ssh



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.

-Scott

> 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
> 
> http://heretothereideas.blogspot.com/
> _______________________________________________
> Ale mailing list
> Ale at ale.org
> http://mail.ale.org/mailman/listinfo/ale
> See JOBS, ANNOUNCE and SCHOOLS lists at
> http://mail.ale.org/mailman/listinfo
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.ale.org/pipermail/ale/attachments/20140227/9d4ff466/attachment-0001.html>