On Wed, 2011-11-30 at 13:05 -0500, m.roth@xxxxxxxxx wrote:
> There's an article on slashdot about the Duqu team wiping all their
> intermediary c&c servers on 20 Oct. Interestingly, the report says that
> they were all (?) not only linux, but CentOS. There's a suggestion of a
> zero-day exploit in openssh-4.3, but both the original article, and
> Kaspersky labs (who have a *very* interesting post of the story) consider
> that highly unlikely, and the evidence points to brute-force attacks
> against the root password.
*DISABLE* password authentication on public-facing [and preferably all]
servers. Isn't that securing a server rule#1?
Use shared-key authentication.
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