[NBLUG/talk] SSH to Fedora?

[Dave Rohling]

Well, I already completely deleted the known_hosts file for that user and
that hadn't fixed it. Also, didn't mess with it for root, and root can still
get in. I really feel like this is another one of those Redhat
"Improvements". ;-) Hasn't anyone else upgraded to Fedora from Redhat 9.0?
I'm sure I'm missing something simple!

- Dave 

-----Original Message-----
From: talk-admin at nblug.org [mailto:talk-admin at nblug.org] On Behalf Of Ron
Wickersham
Sent: Monday, December 01, 2003 3:03 PM
To: talk at nblug.org
Subject: Re: [NBLUG/talk] SSH to Fedora?




On Mon, 1 Dec 2003, Dave Rohling wrote:

> I now have 2 boxes that I upgraded from Redhat 9.0 to Fedora Core 1, 
> and I have to ssh to both as root. For whatever reason, I cannot 
> connect as a regular user. This seems a lot more insecure, rather than 
> secure, since I wouldn't have connected as root before, but now I have 
> to. Anyone know why, or how to allow ssh access for users again?

sometimes when installing a new operating system, the ssh key stored in
.ssh/known_hosts (on the machine your sitting at) is no longer the key
provided by the machine you're connecting to.   in the ssh client software
i use in a terminal window i get an error msg in that case, something to the
effect that there may be a man-in-the-middle or the remote machine
may have been compromised.   the solution in that case is to edit the file
known_hosts and delete the line for the remote machine that has been
changed.

i can't say for sure that this is case when doing the upgrade you did, but
it definitely happens when you install a different operating system on a
machine and keep the same host name/ip address.

-ron
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