Ok, so apparently the problem had all sorts of things to do with the host key being blacklisted, and therefore labeled as 'compromised'. Of course one can't SSH in anymore in such a situation.
How to prevent it? Well, I probably should have checked with ssh-vulnkey before doing the upgrade. W. On 8 July 2010 02:06, Wouter van Vliet / Interpotential < [email protected]> wrote: > Hi All, > > I've just been attempting an (more than just slightly) overdue upgrade from > Etch to Lenny on a machine I don't have physical access to. At first, > everything seemed to work fine. But after a while my connection (over ssh) > was dropped and all my box returns now is 'connection closed' when I try to > reconnect. It gives me this: > > wou...@wouter-desktop:~$ ssh -vvv r...@www.#########.nl > OpenSSH_5.3p1 Debian-3ubuntu4, OpenSSL 0.9.8k 25 Mar 2009 > debug1: Reading configuration data /etc/ssh/ssh_config > debug1: Applying options for * > debug2: ssh_connect: needpriv 0 > debug1: Connecting to www.#########.nl [###.###.###.###] port 22. > debug1: Connection established. > debug1: identity file /home/wouter/.ssh/identity type -1 > debug1: identity file /home/wouter/.ssh/id_rsa type -1 > debug1: identity file /home/wouter/.ssh/id_dsa type -1 > debug1: Remote protocol version 2.0, remote software version OpenSSH_5.1p1 > Debian-5 > debug1: match: OpenSSH_5.1p1 Debian-5 pat OpenSSH* > debug1: Enabling compatibility mode for protocol 2.0 > debug1: Local version string SSH-2.0-OpenSSH_5.3p1 Debian-3ubuntu4 > debug2: fd 3 setting O_NONBLOCK > debug1: SSH2_MSG_KEXINIT sent > debug3: Wrote 792 bytes for a total of 831 > Connection closed by ###.###.###.### > > Of course I've already activated customer support, hoping that my hosting > company is willing to physically go to the server. But I was hoping that you > might have some suggestions on what I might be able to try. Though I know my > options are limited :( > > And at the same time I'm wondering what's causing it, and how I could have > prevented it. I upgraded with a simple: apt-get dist-upgrade > > Thanks! > Wouter > > > -- > http://www.interpotential.com > http://www.ilikealot.com > > Phone: +4520371433 > -- http://www.interpotential.com http://www.ilikealot.com Phone: +4520371433
