Re: two SSH compatibility scenarios: can it work?
From: Nico Kadel-Garcia (nkadel@bellatlantic.net)Date: 09/09/02
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From: "Nico Kadel-Garcia" <nkadel@bellatlantic.net> Date: Mon, 09 Sep 2002 05:36:12 GMT
"Alan Tu" <alantu@students.uiuc.edu> wrote in message
news:GcId9.16964$m7.157709@vixen.cso.uiuc.edu...
> Hi, I use a lot of computers, especially Linux, and its nice to be able to
> log in remotely, and securely. Thank you OpenSSH. However, I have two
> connection scenarios which I'm not sure will work.
>
> 1. We are required to use SSH to log into the Engineering lab machines.
The
> server software displays this header upon telnet connection to port 22.
> SSH-1.99-OpenSSH_3.4p1
>
> My question is, can I make the server do public-key based authentication,
or
> must the sysadmin enable this explicitly? Right now the SSH2
authentication
> is password-based.
It's the sys-admin's job, but it's probably already set up by default. Ask
politely, or try with a public key in ~/.ssh/authorized_keys.
> 2. I still use Windows on my notebook for application compatibility. The
> campus people told us to install a specific software for SSH compatibility
> with all campus servers. Going to help/about, I see:
> SSH Secure Shell
> Version: 3.1.0 (Build 235)
> Copyright 2000-2001 SSH Communications Security Corp.
>
> This version has connected with the campus servers via password. However,
> because its for students, something called PKI has been removed. I run a
> Linux server at home which I would like to log into. Its a Mandrake system
> running OpenSSH 3.4p1 (patched). Here, I do want to use public-key
> authentication, so I generated a DSA key on the remote system, copied the
> id_dsa.pub into authorized_keys, and then copied id_dsa[.pub] onto my
> Windows computer. When I tried to connect, however, this Windows SSH
client
> said it could not read the keys and defaulted to password authentication.
Use a baseball bat on your Windows admins. Proceed directly to Putty, CygWin
with OpenSSH, or any of the other freeware clients.
> My question is, are the key formats incompatible? Is there a key I can
> generate that this Windows SSH client can import and use?
Look for CygWin, which uses OpenSSH natively: save yourself a lot of time
and grief in a lot of ways.
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