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


Chronological Thread 
  • From: Nenad Randjelovic <micr_56 AT yahoo.co.uk>
  • To: discuss AT lists.opennicproject.org
  • Subject: Re: [opennic-discuss] invalid A-record serv-fail spam/ddos
  • Date: Sat, 07 Jun 2014 10:57:27 +1000

On 3/06/2014 10:55 AM, oVPN.to Support wrote:
> We have noticed heavy invalid A-record spam to *www.7098.com at the moment
>
> this iptables helps:
>
> iptables --insert INPUT -p udp --dport 53 -m string --from 30 --to 58
> --algo bm --hex-string '|03777777043730393803636f6d0000010001|' -j
> DROP -m comment --comment "DROP www.7098.com"
>
>
> Best Regards
> oVPN.to
>
>
>
>
>
> --------
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>
Thanks for the rules I also found, vip9030.com and qianyaso.net being
used as well.



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