Re: duqu

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Les Mikesell wrote:
> On Wed, Nov 30, 2011 at 12:05 PM,  <m.roth@xxxxxxxxx> wrote:
>>
>> Are your root passwords strong?
>
> I've always wondered why something as complex as sshd doesn't do
> anything to protect you from the simplest form of attack - like
> rate-limiting failed attempts.

Well, it does take time to respond to failed passwords, in my experience.
>From the example in the Kaspersky Labs post, either they tried over a
period of time (low-level persistent threat), or it was a stupidly weak
password (or had never been changed).

We also run fail2ban, that slows them down a *lot* more.

        mark

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