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Re: [opennic-discuss] invalid A-record serv-fail spam/ddos


Chronological Thread 
  • From: "oVPN.to Support" <support AT ovpn.to>
  • To: discuss AT lists.opennicproject.org
  • Subject: Re: [opennic-discuss] invalid A-record serv-fail spam/ddos
  • Date: Thu, 05 Jun 2014 11:37:56 +0000

check if they are spamming your server:

tcpdump -n port 53 and udp | grep -E
'bcai007|sswew|9aq|21276|21271|n876|7098'



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