RE: {bb} Ssh test passing when it should fail?

["Kimberly McKinnis" <kmckinnis@macrovision.com>]

Thank you for clearing that up Henrik!!
:) 

-----Original Message-----
From: owner-bb@bb4.com [mailto:owner-bb@bb4.com] On Behalf Of Henrik
Storner
Sent: Wednesday, April 13, 2005 10:12 PM
To: bb@bb4.com
Subject: Re: {bb} Ssh test passing when it should fail?

In <Pine.LNX.4.62.0504132320261.1357@morpheus> Burton Windle
<bwindle@fint.org> writes:

>On Wed, 13 Apr 2005, Burton Windle wrote:

>> On Wed, 13 Apr 2005, Reed L. O'Brien wrote:
>>
>>> While I am not positive I would assume BB checks if it can make a 
>>> connection.  It does make a tcp connection then the remote machine 
>>> have a socket error and resets the connection.  I am guessing that 
>>> BB never tries to log in, only SYN > ACK < and FIN/RST... So it 
>>> makes a tcp connection and disconnects before an error.
>>
>> I think the SSH check does send some sort of data, or else you 
>> wouldn't find the bb client string that it sends to the ssh daemon in

>> the bb-network.sh file.

>Turn on SSH checking, and then check your logs..

>Apr 13 23:14:34 balrog sshd[12026]: Bad protocol version identification

>'Big-Brother-Monitor-1.8d4' from 10.5.100.96

>At least with BB 1.8d4 (I know its old, but it works and I'm lazy), it 
>connects and sends the above string.

It does *send* this string, but it doesn't *wait* for any response.

That's what Hobbit and bbgen does differently - they look for the
"SSH-2.0-OpenSSH_3.6.1p2" string that a working SSH daemon outputs when
you connect to it, and report failure if it doesn't arrive.


Regards,
Henrik
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