Getting hit hard by CHINANET

Robert Kisteleki robert at ripe.net
Wed Mar 18 07:12:06 UTC 2015


On 2015-03-17 3:06, Terrance Devor wrote:
> Hello Everyone,
> 
> I really hope this is not against group policy etc.. however our network is
> being hit
> hard by a China IP for the past 6 months. Our systems our up to date,
> passwordless
> ssh etc.. but they're DOS attempts are getting more and more aggressive.
> Tried to
> contact their phone number to no success (not valid). Emails don't get any
> response.
> The IP is 218.77.79.43. Do we have any options?
> 
> Terrance
> 

If you don't want to spend more than 2 minutes on this, then move sshd to a
different (randomish) port. Sounds naive, but it's dirt cheap and really helps.

Robert



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