Re: openssh remote upgrade procedure?

2008-05-26 Thread Alexandros Papadopoulos
Alright, the workaround was to create a new keypair and have local stuff install the public key as ~/.ssh/authorized_hosts I now have access to the machine but haven't had the time to do serious troubleshooting (and honestly, I don't want to push it too much for fear of being locked out again).

Re: openssh remote upgrade procedure?

2008-05-23 Thread Alexandros Papadopoulos
On Fri, May 23, 2008 at 12:28 AM, Karl Goetz [EMAIL PROTECTED] wrote: On Thu, 2008-05-22 at 07:49 +0100, Alexandros Papadopoulos wrote: Hi all, thanks for the suggestions so far. I talked local staff through backing up the sshd configuration file, purging the openssh-server package and then

Re: openssh remote upgrade procedure?

2008-05-23 Thread Michael Stone
I'd suggest posting your sshd_config your ssh -v output. Mike Stone -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of unsubscribe. Trouble? Contact [EMAIL PROTECTED]

Re: openssh remote upgrade procedure?

2008-05-22 Thread Thomas Hochstein
Michel Messerschmidt schrieb: 1) Create a new temporary keypair on a non-vulnerable system and protect the key with a good passphrase. 2) Install the temporary public key on the vulnerable system *before* the upgrade. Because it is no weak key, it won't be blacklisted. Note: You

Re: openssh remote upgrade procedure?

2008-05-22 Thread Alexandros Papadopoulos
Hi all, thanks for the suggestions so far. I talked local staff through backing up the sshd configuration file, purging the openssh-server package and then reinstalling openssh. I'm quite frustrated to say this didn't fix anything. Had exactly the same behaviour: snip debug1: Next

Re: openssh remote upgrade procedure?

2008-05-22 Thread Nicolas Rachinsky
* Alexandros Papadopoulos [EMAIL PROTECTED] [2008-05-22 07:49 +0100]: 2. tail -f /var/log/auth.log on the server - staff reported no new entries while I was attempting to login You can try to get more information by running sshd -d (stop the normal daemon before). Nicolas --

Re: openssh remote upgrade procedure?

2008-05-22 Thread Karl Goetz
On Thu, 2008-05-22 at 07:49 +0100, Alexandros Papadopoulos wrote: Hi all, thanks for the suggestions so far. I talked local staff through backing up the sshd configuration file, purging the openssh-server package and then reinstalling openssh. I'm quite frustrated to say this didn't fix

Re: openssh remote upgrade procedure?

2008-05-21 Thread Michel Messerschmidt
On Tue, May 20, 2008 at 08:45:20PM +0100, Alexandros Papadopoulos wrote: a) How/why were my active connections to the server killed right after upgrading and Don't know, I've never seen this behaviour on a debian system. b) Why I am not allowed access now that I try to utilise the simplest

openssh remote upgrade procedure?

2008-05-20 Thread Alexandros Papadopoulos
I administer a couple of remote Debian servers and must say the latest security update has left me stranded. My only access to these machines was over SSH, using keys. So I logged in the other night and this was the series of events: + I enabled password authentication in sshd_config

Re: openssh remote upgrade procedure?

2008-05-20 Thread Rico Secada
On Tue, 20 May 2008 08:20:04 +0100 Alexandros Papadopoulos [EMAIL PROTECTED] wrote: I administer a couple of remote Debian servers and must say the latest security update has left me stranded. My only access to these machines was over SSH, using keys. So I logged in the other night and this

Re: openssh remote upgrade procedure?

2008-05-20 Thread Michel Messerschmidt
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Alexandros Papadopoulos said: + I enabled password authentication in sshd_config (PasswordAuthentication yes) + aptitude update aptitude dist-upgrade, which updated the packages and restarted the openssh daemon + shortly thereafter my SSH

Re: openssh remote upgrade procedure?

2008-05-20 Thread CaT
On Tue, May 20, 2008 at 08:20:04AM +0100, Alexandros Papadopoulos wrote: + I enabled password authentication in sshd_config (PasswordAuthentication yes) + aptitude update aptitude dist-upgrade, which updated the packages and restarted the openssh daemon + shortly thereafter my SSH

Re: openssh remote upgrade procedure?

2008-05-20 Thread Karl Goetz
On Tue, 2008-05-20 at 08:20 +0100, Alexandros Papadopoulos wrote: I administer a couple of remote Debian servers and must say the latest security update has left me stranded. My only access to these machines was over SSH, using keys. So I logged in the other night and this was the series of

Re: openssh remote upgrade procedure?

2008-05-20 Thread Alexandros Papadopoulos
Unfortunately my question has still not been answered. 1. What's the information in /usr/share/doc/openssh-server that is so enlightening? I don't have access to a debian machine right now so would be nice to know. Tried downloading from http://packages.debian.org/etch/openssh-server to no avail.

Re: openssh remote upgrade procedure?

2008-05-20 Thread Vincent Bernat
OoO En ce début de soirée du mardi 20 mai 2008, vers 21:45, Alexandros Papadopoulos [EMAIL PROTECTED] disait: 3. Testing to see if you can still get on to a server is exactly what I would have done, if my connection had not been killed by the server itself a few seconds after upgrading the

Re: openssh remote upgrade procedure?

2008-05-20 Thread Kim N. Lesmer
On Tue, 20 May 2008 20:45:20 +0100 Alexandros Papadopoulos [EMAIL PROTECTED] wrote: 3. Testing to see if you can still get on to a server is exactly what I would have done, if my connection had not been killed by the server itself a few seconds after upgrading the packages. This happened on