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  2. MIDRANGE-L
  3. February 2016

Re: Block SSH brute force

This soft of attempted hack is very common and they emanate from China, Korea, Ukraine...all the usual suspects. If I fire up an SSH server and monitor the requests I will usually see about 3 or so attacks a day with each of these performing several hundred login attempts as root with a dictionary of possible passwords. The simplest way to prevent it (aside from firewall blocking) is to run your server on a port other than 22.

On 2/11/2016 4:40 PM, rob@xxxxxxxxx wrote:
Most of the attacks we get like this are from the benevolent hackers
working as a subsidiary of IBM. Testing common passwords, etc. You don't
contract to such a service, do you?

IDK of any way to autoblacklist based on log in profile.


Rob Berendt


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