(j3.2006) server (might be) back
Bill Long
longb
Thu Mar 10 14:38:05 EST 2011
I got similar messages. You need to edit
/home/.../.ssh/known_hosts
and delete the previous entry for j3-fortran.org. The next time you ssh
it will ask if you want to add the new entry. Say yes and subsequent
logins will be normal.
Cheers,
Bill
On 3/10/11 1:32 PM, Toon Moene wrote:
> On 03/08/2011 09:49 PM, Dan Nagle wrote:
>
>> The server has new hardware, and was configured by one
>> of the sysadmins at GMU to fit the new MAC into the network
>> with the old IP in place of the flakey ol' Dell.
>
> I tried it today (just minutes ago 7:30 UTC):
>
> toon at super:~$ ssh member at j3-fortran.org
> Public key c8:ab:f4:85:26:e6:4b:33:ef:e7:d1:02:11:08:e3:90 blacklisted
> (see ssh-vulnkey(1)); refusing to send it
> @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
> @ 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
> 65:b9:a3:a9:d3:7c:59:d9:4f:7a:dc:81:24:bf:fe:fb.
> Please contact your system administrator.
> Add correct host key in /home/toon/.ssh/known_hosts to get rid of this
> message.
> Offending key in /home/toon/.ssh/known_hosts:17
> RSA host key for j3-fortran.org has changed and you have requested
> strict checking.
> Host key verification failed.
> toon at super:~$ vi .ssh/known_hosts
> [ remove line 17 ]
> toon at super:~$ ssh member at j3-fortran.org
> Public key c8:ab:f4:85:26:e6:4b:33:ef:e7:d1:02:11:08:e3:90 blacklisted
> (see ssh-vulnkey(1)); refusing to send it
> The authenticity of host 'j3-fortran.org (129.174.65.102)' can't be
> established.
> RSA key fingerprint is 65:b9:a3:a9:d3:7c:59:d9:4f:7a:dc:81:24:bf:fe:fb.
> Are you sure you want to continue connecting (yes/no)? yes
> Warning: Permanently added 'j3-fortran.org' (RSA) to the list of known
> hosts.
> Warning: the RSA host key for 'j3-fortran.org' differs from the key for
> the IP address '129.174.65.102'
> Offending key for IP in /home/toon/.ssh/known_hosts:17
> Are you sure you want to continue connecting (yes/no)? yes
> member at j3-fortran.org's password:
> [member at localhost ~]$ ls -l
> total 92
> -rw-r--r--. 1 member member 1518 Mar 5 14:30 11-137r2.txt
> drwxr-xr-x. 2 member member 4096 Mar 5 14:30 Ante
> drwxr-xr-x. 2 member member 4096 Mar 5 14:30 Data
> drwxr-xr-x. 2 member member 4096 Mar 5 14:29 Desktop
> drwxr-xr-x. 2 member member 4096 Mar 5 14:29 Drafting
> drwxr-xr-x. 8 member member 4096 Mar 5 14:30 Edit
> drwxr-xr-x. 2 member member 4096 Mar 5 14:29 Friday
> drwxr-xr-x. 4 member member 4096 Mar 5 14:30 HPC
> drwxr-xr-x. 2 member member 4096 Mar 5 14:30 INCITS
> drwxr-xr-x. 2 member member 4096 Mar 5 14:30 Interp
> drwxr-xr-x. 2 member member 4096 Mar 5 14:30 JOR
> drwxr-xr-x. 2 member member 4096 Mar 5 14:30 Late
> drwxr-xr-x. 2 member member 4096 Mar 5 14:30 Monday
> drwxr-xr-x. 2 member member 4096 Mar 5 14:30 Post
> drwxr-xr-x. 2 member member 4096 Mar 5 14:29 Sunday
> drwxr-xr-x. 2 member member 4096 Mar 5 14:30 Thursday
> drwxr-xr-x. 2 member member 4096 Mar 5 14:30 Tuesday
> drwxr-xr-x. 2 member member 4096 Mar 5 14:30 Tutorials
> drwxr-xr-x. 2 member member 4096 Mar 5 14:30 UPC
> drwxr-xr-x. 2 member member 4096 Mar 5 14:30 USTAG
> drwxr-xr-x. 2 member member 4096 Mar 5 14:30 Wednesday
> drwxr-xr-x. 2 member member 4096 Mar 5 14:30 WG23
> drwxr-xr-x. 2 member member 4096 Mar 5 14:30 WG5
> [member at localhost ~]$ exit
> toon at super:~$ ssh member at j3-fortran.org
> Public key c8:ab:f4:85:26:e6:4b:33:ef:e7:d1:02:11:08:e3:90 blacklisted
> (see ssh-vulnkey(1)); refusing to send it
> The authenticity of host 'j3-fortran.org (129.174.65.102)' can't be
> established.
> RSA key fingerprint is 65:b9:a3:a9:d3:7c:59:d9:4f:7a:dc:81:24:bf:fe:fb.
> Are you sure you want to continue connecting (yes/no)? yes
> Warning: Permanently added 'j3-fortran.org' (RSA) to the list of known
> hosts.
> Warning: the RSA host key for 'j3-fortran.org' differs from the key for
> the IP address '129.174.65.102'
> Offending key for IP in /home/toon/.ssh/known_hosts:17
> Are you sure you want to continue connecting (yes/no)? yes
> member at j3-fortran.org's password:
> [member at localhost ~]$ ls -l
> total 92
> -rw-r--r--. 1 member member 1518 Mar 5 14:30 11-137r2.txt
> drwxr-xr-x. 2 member member 4096 Mar 5 14:30 Ante
> drwxr-xr-x. 2 member member 4096 Mar 5 14:30 Data
> drwxr-xr-x. 2 member member 4096 Mar 5 14:29 Desktop
> drwxr-xr-x. 2 member member 4096 Mar 5 14:29 Drafting
> drwxr-xr-x. 8 member member 4096 Mar 5 14:30 Edit
> drwxr-xr-x. 2 member member 4096 Mar 5 14:29 Friday
> drwxr-xr-x. 4 member member 4096 Mar 5 14:30 HPC
> drwxr-xr-x. 2 member member 4096 Mar 5 14:30 INCITS
> drwxr-xr-x. 2 member member 4096 Mar 5 14:30 Interp
> drwxr-xr-x. 2 member member 4096 Mar 5 14:30 JOR
> drwxr-xr-x. 2 member member 4096 Mar 5 14:30 Late
> drwxr-xr-x. 2 member member 4096 Mar 5 14:30 Monday
> drwxr-xr-x. 2 member member 4096 Mar 5 14:30 Post
> drwxr-xr-x. 2 member member 4096 Mar 5 14:29 Sunday
> drwxr-xr-x. 2 member member 4096 Mar 5 14:30 Thursday
> drwxr-xr-x. 2 member member 4096 Mar 5 14:30 Tuesday
> drwxr-xr-x. 2 member member 4096 Mar 5 14:30 Tutorials
> drwxr-xr-x. 2 member member 4096 Mar 5 14:30 UPC
> drwxr-xr-x. 2 member member 4096 Mar 5 14:30 USTAG
> drwxr-xr-x. 2 member member 4096 Mar 5 14:30 Wednesday
> drwxr-xr-x. 2 member member 4096 Mar 5 14:30 WG23
> drwxr-xr-x. 2 member member 4096 Mar 5 14:30 WG5
> [member at localhost ~]$ exit
>
> So it seems to work.
>
> Kind regards,
>
--
Bill Long longb at cray.com
Fortran Technical Support & voice: 651-605-9024
Bioinformatics Software Development fax: 651-605-9142
Cray Inc./Cray Plaza, Suite 210/380 Jackson St./St. Paul, MN 55101
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