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Date:      Tue, 7 May 2002 09:23:44 +0200
From:      Borja Marcos <borjam@sarenet.es>
To:        solarflux@ziplip.com
Cc:        security@freebsd.org
Subject:   Re: Telnet Exploit
Message-ID:  <200205070723.g477NjR3025099@borja.sarenet.es>
In-Reply-To: <GTP3YE3JSQGUYEIE2F0SOTH3D3KQNJKUJJYERK0S@ziplip.com>

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On Tuesday 07 May 2002 01:22, you wrote:
> Are you for real?  Have you ever sniffed a connection between two machines

	Sure!

> using ssldump?  When looking at a telnet or ftp connection, it shows
> everything, clear as day.

	It is obvious that ssh has many benefits. It encrypts the connection, and 
you can use public keys to authenticate both parties. I am not silly.

> As long as OpenSSH exploits are fixed in a timely fashion, I consider sshd
> to be MUCH more secure than telnetd.  The zlib bug argument is pretty weak.

	I don't think it is weak. Software complexity is a serious danger. I would 
prefer a simpler ssh service without frills, subject to a design process with 
a strong focus on security. Do you think all the software used by OpenSSH (or 
other ssh implementations) has been thoroughly audited?

	Hey, I use ssh years ago, and I always authenticate with public keys. It is 
really useful, but I am worried with the current trends with software 
complexity and reuse. It can lead to security problems.



	Borja.

-- 
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Borja Marcos                      * borjam@sarenet.es
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