[nflug] ssh/cygwin/remote X question

[Cyber Source]

Stephen Burke wrote:
> Hello all,
>
> I have been kind of out of the loop here in nflug_land whilst this 
> ".mozilla" directory migrated around my network until it found a place 
> where it was comfortable, a (relatively) recently installed BLAG 30K 
> (fc3). The computer this system is on, however is mainly just sharing 
> files and housing this mailbox, but is not one that I am actually in 
> front of much.
>
> So, I am trying to set up ways to see this mailbox from a more 
> powerful box (the one I am usually in front of) which has a removable 
> hard drive for using various systems, among them, another BLAG, 
> windowsXPpro, and the suse8.2 where the .mozilla directory originally 
> came from, which will soon probably be either gentoo or ubuntu.
>
> On the BLAG system, I am trying to set up xhost, which will work as 
> root (but puts me in the wrong .mozilla directory, naturally), but 
> when I try to ssh over here as a user, I get:
>
> $ ssh 192.168.0.104
> @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
> @ 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
> ac:fc:60:20:39:34:cf:f0:74:83:07:56:17:76:c2:2c.
> Please contact your system administrator.
> Add correct host key in /home/qfwfq/.ssh/known_hosts
> to get rid of this message.
> Offending key in /home/qfwfq/.ssh/known_hosts:1
> RSA host key for 192.168.0.104 has changed and you
> have requested strict checkin
> g.
> Host key verification failed.
> [qfwfq at smaug ~]$ less ~/.ssh/known_hosts
> [qfwfq at smaug ~]$ ssh 192.168.0.104
> @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
> @ 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
> ac:fc:60:20:39:34:cf:f0:74:83:07:56:17:76:c2:2c.
> Please contact your system administrator.
> Add correct host key in /home/qfwfq/.ssh/known_hosts
> to get rid of this message.
> Offending key in /home/qfwfq/.ssh/known_hosts:1
> RSA host key for 192.168.0.104 has changed and you
> have requested strict checkin
> g.
> Host key verification failed.
>
> I seem to recall having no problem with ssh to here before, so I'm not 
> quite sure what is going on or how to work around it (or how to know 
> if someone is doing anything nasty).
>
> On the XP side of things, I have installed cygwin, which I was hoping 
> would serve as my xserver there. IT has no trouble ssh-ing into this 
> box, but when I try to do DISPLAY=x.x.x.x:0 (as well as x.x.x.x:0.0), 
> export DISPLAY, etc. I get "Could not open display x.x.x.x:0", which 
> is the error I was getting on BLAG before I opened a certain port in 
> the system firewall and got it to work at least as root. I am not sure 
> about the XP firewall thing, and everything I've found has been 
> talking about SP2 tweaks, and I have been avoiding THAT thing like the 
> plague. Any idea how I can poke a hole for this to work or even if 
> cygwin is what I want to use for this?
>
> Advice is always welcome.
>
> Thanks,
> S.
> _______________________________________________
> nflug mailing list
> nflug at nflug.org
> http://www.nflug.org/mailman/listinfo/nflug
>
All that means is that the IP address has changed from before. Just 
remove the offending .ssh folder and try again.
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