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#1 2009-02-23 2:19 pm

Jasoco
Your own personal Jesus
From: Doylestown, PA, USA, Earth
Registered: 2000-08-26
Posts: 8848
Website

Need help fixing my SSH...

Code:

@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
@       WARNING: POSSIBLE DNS SPOOFING DETECTED!          @
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
The RSA host key for natalie.local has changed,
and the key for the corresponding IP address fe80::20d:93ff:fe42:aa02%en0
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 the RSA host key has just been changed.
The fingerprint for the RSA key sent by the remote host is
b7:f8:ce:2c:4a:42:ae:c0:f1:7f:ab:4f:9c:e2:05:aa.
Please contact your system administrator.
Add correct host key in /Users/jasoco/.ssh/known_hosts to get rid of this message.
Offending key in /Users/jasoco/.ssh/known_hosts:3
RSA host key for natalie.local has changed and you have requested strict checking.
Host key verification failed.

I know what it means, I know why it does it, but I don't know exactly how to fix it so I can SSH back in again.

How do I edit that file, what do I use to do it safely, and which computer do I edit it on? The one I am on, or the one I am trying to connect to?


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#2 2009-02-23 3:14 pm

Fracai
Evacipate
From: St. Elsewhere
Registered: 2000-05-25
Posts: 2835

Re: Need help fixing my SSH...

you need to edit your known_hosts file ( /Users/jasoco/.ssh/known_hosts ) and remove the old key.  The file is 1 key per line, so just delete the whole line containing the matching host and key.


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#3 2009-02-23 3:15 pm

Fracai
Evacipate
From: St. Elsewhere
Registered: 2000-05-25
Posts: 2835

Re: Need help fixing my SSH...

Sorry, it's on your local computer and any text editor should be fine.


   i am jack's amusing sig file
        http://alum.wpi.edu/~arno/i/s.png
Satellite Lot :: Second Summer

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#4 2009-02-23 3:38 pm

Jasoco
Your own personal Jesus
From: Doylestown, PA, USA, Earth
Registered: 2000-08-26
Posts: 8848
Website

Re: Need help fixing my SSH...

Thank you! I wasn't sure which computer I needed to edit! And was afraid I had to use a certain editor like a Unix one, which I am still not familiar with. I prefer good old fashioned GUI-based TextWrangler.

That's been bugging me for months. Just never got around to asking.

Thanks again!


                         Haikus are easy
          But sometimes they don't make sense
                           Refrigerator

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