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Date:      Fri, 4 Aug 2000 17:01:07 +1000 (EST)
From:      Sleepless in Brisbane <snowy@snowy.org>
To:        David Fuchs <dfuchs@uniserve.com>
Cc:        freebsd-questions@FreeBSD.ORG
Subject:   Re: Telnet Encryption
Message-ID:  <Pine.BSF.4.21.0008041658090.31742-100000@snowy.org>
In-Reply-To: <001001bffde0$7e1a07c0$0201a8c0@beastie.net>

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On Thu, 3 Aug 2000, David Fuchs wrote:

> I've been told that I can reveal the passwords of my users by sniffing port
> 23.  I've tried this, but it doesn't seem to work, all I can see is the
> user's username.  In this case, is security a concern with telnet? Why go to
> the extra trouble of SSH when telnet *seems* safe in the first place?  The
> only way I've been able to retrieve passwords is by sniffing ports 110 and
> 143, but I'm a little more concerned with the telnet accounts.  Any ideas on
> this?

If you are snooping using something like ttysnoop or such then yes you will
not see the actual password on the screen.   However it will still be quite
viewable to anyone with network packet sniffer (have a look at Ethereal
sometime and be amazed).



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