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Date:      Wed, 1 Mar 1995 23:16:57 -0800 (PST)
From:      dima@FreeBSD.org (Dima Ruban)
To:        gary@wcs.uq.oz.au (Gary Roberts)
Cc:        mark@grondar.za, hackers@FreeBSD.org
Subject:   Re: key exchange for rlogin/telnet services?
Message-ID:  <199503020716.XAA25547@freefall.cdrom.com>
In-Reply-To: <9503020315.AA20808@wcs.uq.edu.au> from "Gary Roberts" at Mar 2, 95 01:15:34 pm

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Gary Roberts writes:
> 
> [..skipped..]
>
> If you are linking to a remote server from a single user box (ie you and
> root are the only entries with shells in the password file) with tcp
> wrappers applied at both ends and the server machine having a very
> restricted user base as well (five very trusted users), is it safe to
> use the `hosts.equiv' mechanism to allow rlogins without passwords?

No! Old TCP sequences problem.

> My (possibly naive) reasoning is that if you are not passing a password
> then it can't be sniffed.  I guess I won't be surprised to see someone
> highlighting other dangers that this approach causes but as I don't
> understand the subtleties of security issues, I thought I'd ask and see
> what howls of despair are unleashed :->.
> 
> Cheers,
> -- 
> Gary Roberts  (gary@wcs.uq.edu.au) (Ph +617 844 0400   Fax +617 844 0444)
> 4th Floor, South Bank House, 234 Grey St, South Bank  QLD 4101  Australia.
> 

-- dima



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