dns spoofing during "mgar platforms"

Dagobert Michelsen via buildfarm buildfarm at lists.opencsw.org
Thu Jul 9 19:59:18 CEST 2015


Hi Riccardo,

Am 09.07.2015 um 19:28 schrieb Riccardo Mottola via buildfarm <buildfarm at lists.opencsw.org>:
> I am logged on unstable10x and issued "mgar platforms"
> 
> After a while, i got:
> gmake[1]: Leaving directory '/home/rmottola/opencsw/glib2/trunk'
> @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
> @       WARNING: POSSIBLE DNS SPOOFING DETECTED!          @
> @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
> The RSA host key for unstable11s has changed,
> and the key for the corresponding IP address 192.168.1.42
> is unknown. This could either mean that
> DNS SPOOFING is happening or the IP address for the host
> and its host key have changed at the same time.
> @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
> @    WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!     @
> @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
> IT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY!
> Someone could be eavesdropping on you right now (man-in-the-middle attack)!
> It is also possible that a host key has just been changed.
> The fingerprint for the RSA key sent by the remote host is
> 72:26:7f:54:67:f2:21:84:bc:64:92:10:fb:4d:8a:f7.
> Please contact your system administrator.
> 
> this looks somehow nasty... shoudl i worry? did it really change?

In fact this is ok as I moved unstable11s from the T5220 to the M3000
and forgot to restore the ssh host key and when I noticed the new
key already spread so I kept the new one. Just remove your key
from known_hosts and retry.

Sorry for the inconvenience

  — Dago

-- 
"You don't become great by trying to be great, you become great by wanting to do something,
and then doing it so hard that you become great in the process." - xkcd #896

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