[kwlug-disc] Tightening up SSH

Johnny Ferguson hyperflexed at gmail.com
Mon Jul 19 09:40:41 EDT 2010

If I were to disallow remote root, would this also prevent me from using 

I've set up my home desktop for wake-on-lan, and I like being able to 
shut it off too (which I think needs a sudo).


On 07/19/2010 08:55 AM, Dave Cramer wrote:
> On Mon, Jul 19, 2010 at 8:37 AM, Johnny Ferguson<hyperflexed at gmail.com>  wrote:
>> I'm relatively new to SSH, though I've come to love it very quickly.
>> Recently I've been seeing a lot of activity in /var/log/auth.log (of the
>> sshd sort). Sometimes 5 straight hours of brute force attacks. I've
>> currently only whitelisted a single user. While I feel reasonably safe and
>> nothing has cracked yet, I live in constant fear of my account getting
>> cracked open, at which time it would take no more than:
>> sudo rm -rf /
>> SO, just wondering what advice anyone could offer on hardening SSH. I might
>> be a little paranoid, but I think it's still in the range of being healthy.
>> -Johnny
> paranoid level
> do not allow root login
> only allow ssh keys to login
> super paranoid
> the above plus
> do not allow remote root access
> Dave
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