what does this mean ?

[vu pham]

Sorry to top post to the email. I just do not know how to force Outlook to
have properly quote the reply message.

CMR,

My email was not very clear. What I do not understand is the first part when
I ssh to my server and it shows connection reset by peer.
The ssh server is on all the time. The 2nd ssh which asked for the key was
just to show that the server was on and it works properly.

Never have I had my ssh server reset my connection when I *initialize* it. I
mean after the connection is established, the ssh server can close it
because of idle for a while, but it has never reset my connection when I
first start it.

Vu 

-----Original Message-----
From: linux-users-bounces at linux-sxs.org
[mailto:linux-users-bounces at linux-sxs.org] On Behalf Of C M Reinehr
Sent: Monday, October 08, 2007 5:55 PM
To: Linux tips and tricks
Subject: Re: what does this mean ?

Vu,

On Monday 08 October 2007 15:38, vu pham wrote:
> I was on my home PC "gh" making connection to the server "o" in the 
> office and got the error and the next immediate trying has it worked.
>
> Never has I got this before.
>
>
> [vu at gh ~]$ ssh o
> ssh_exchange_identification: read: Connection reset by peer [vu at gh ~]$ 
> ssh o The authenticity of host 'o (192.168.249.214)' can't be 
> established.
> RSA key fingerprint is 99:a7:af:cc:8a:1b:86:ec:77:20:a6:91:f0:6f:30:73.
> Are you sure you want to continue connecting (yes/no)?
>
> Vu

Vu,

The first message would seem to indicate that either the ssh server was not
running or that your PC was not authorized to make a connection.

The second message indicates just what it says, that your ssh client does
not recognize the RSA fingerprint of the ssh server at 'o'. This can be
caused if you have changed the IP number of system 'o' or by reinstalling
(and generating a new fingerprint) the ssh server software. It also can mean
that you are subject to a "man in the middle" or spoofing attack, i.e.,
you're not really connecting to the correct server. The RSA fingerprint info
is stored in ~/.ssh/known_hosts (at least, it is on my Debian system) on
your PC 'gh'.
You can learn more by increasing the debug level of your ssh client in
ssh_config (it defaults to LogLevel=INFO).

Cheers!

cmr

--
Debian 'Etch' - Registered Linux User #241964
--------
"More laws, less justice." -- Marcus Tullius Ciceroca, 42 BC
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