Re: [Ltib] Dropbear configuration

[Jorge A. Castro]

Hi, Matt.

Thanks for the advice. I wasn't able to fully understand the error 
message I was getting,
but deleting the first line it is possible to me now conect to my target 
by shh.

Best regars and thanks again

Jorge

On 08/16/2010 10:02 AM, Matt Waddel wrote:
> Hi Jorge,
>
> When I get these errors I look for this line in the error message:
>
> Offending key in /home/jcastro/.ssh/known_hosts:1
>
> That tells me to delete line ":1" in this file "/home/jcastro/.ssh/known_hosts"
> on my host machine. When you rerun your ssh command it will generate a
> new ssh key in the known_hosts file for that target.
>
> Best regards,
> Matt
>
>
> ----- Original Message ----
> From: Jorge A. Castro<address@hidden>
> To: Stuart Hughes<address@hidden>
> Cc: address@hidden
> Sent: Mon, August 16, 2010 9:31:00 AM
> Subject: Re: [Ltib] Dropbear configuration
>
> Hi Stuart,
>
> When I type
>
> ssh<target_ip>   -l root
>
> in my machine this is what I get:
>
> @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
> @    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
> db:96:32:6c:d1:45:d3:c8:a0:8d:0a:b3:a7:d4:f8:b6.
> Please contact your system administrator.
> Add correct host key in /home/jcastro/.ssh/known_hosts to get rid of this
> message.
> Offending key in /home/jcastro/.ssh/known_hosts:1
> RSA host key for 192.168.100.85 has changed and you have requested strict
> checking.
> Host key verification failed.
>
> The dropbear is currently working in the target
>
> address@hidden dropbear]# ps
>    PID USER       VSZ STAT COMMAND
>      1 root      1404 S    init
>      2 root         0 SW<   [kthreadd]
>      3 root         0 SW<   [ksoftirqd/0]
>      4 root         0 SW<   [events/0]
>      5 root         0 SW<   [khelper]
>     66 root         0 SW<   [kblockd/0]
>     81 root         0 SW<   [khubd]
>     92 root         0 SW<   [kmmcd]
>    114 root         0 SW   [pdflush]
>    115 root         0 SW   [pdflush]
>    116 root         0 SW<   [kswapd0]
>    117 root         0 SW<   [aio/0]
>    118 root         0 SW<   [nfsiod]
>    240 root         0 SW<   [mtdblockd]
>    299 root         0 SW<   [rpciod/0]
>    331 root      1404 S    /sbin/syslogd
>    333 root      1404 S    /sbin/klogd
>    356 root      3916 S    /usr/sbin/inetd
>    360 bin       1800 S    /sbin/portmap
>    372 root      2168 S    /usr/sbin/dropbear
>    380 root      1408 S    -sh
>    398 root      1408 R    ps
>
> What I'm not sure is how to change the host key and how can I find it.
>
> Thanks for nay help.
>
> Jorge Castro
>
>
> On 08/14/2010 04:06 AM, Stuart Hughes wrote:
>    
> > Hi Jorge,
> >
> > There's no configuration to do really.  So long as dropbear is enabled
> > in your ltib configuration (./ltib -m config), it will be on your target
> > and should be running.
> >
> > If so, from your client (host):
> >
> > ssh<target_ip>   -l root
> >
> > The password is root (until you change it).
> >
> > Regards, Stuart
> >
> > Jorge A. Castro wrote:
> >
> >      
> > > Hi everyone,
> > >
> > > I'm trying since a while to set up and use ssh/dropbear in my target
> > > (LPC 3250, from Future Designs, Inc.), it's my first time working with
> > > ssh. I haven't found easy to understand howto configure in the target
> > > and howto correctly access the target from other network machines.
> > >
> > > Any help about this topic?
> > >
> > > Best regards
> > >
> > >
> > >        
> >
> >      
>
> -- Jorge A. Castro
> Canam-Technology, Inc.
>
>
> _______________________________________________
> LTIB home page: http://ltib.org
>
> Ltib mailing list
> address@hidden
> http://lists.nongnu.org/mailman/listinfo/ltib
>
>
>
>
>
>    


--
Jorge A. Castro
Canam-Technology, Inc.