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[opennic-discuss] Dos attack?


Chronological Thread 
  • From: Peter Green <peter AT greenpete.co.uk>
  • To: Discuss <discuss AT lists.opennicproject.org>
  • Subject: [opennic-discuss] Dos attack?
  • Date: Thu, 08 Mar 2012 23:24:32 +0000
  • Mail-reply-to: <peter AT greenpete.co.uk>

Hi,

I am getting this line in my named log about once per second...

"08-Mar-2012 23:10:30.885 client 212.227.135.196#80: query: isc.org IN ANY +ED (83.142.229.97)"

It seems to be an extremely close match to the attack mentioned here...
http://wiki.opennicproject.org/ddosBlock

That script seems to be aimed at port 25345 where as my log seems to show port 80.

Will Jeff's script help and if so, do I simply run it from crontab every second?

I am concerned this may start to impact the websites I am hosting on that server.

I have never added this server to the public list, and wonder why it's being targeted.

I hope someone can help.

Peter



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