outgoing-traffic

Abdul Khader akhader at ies.etisalat.ae
Tue Jul 26 08:20:51 UTC 2016


You can use iptables to rate-limit the IP.



On 7/26/2016 12:11 PM, Ejaz wrote:
>
> All.
>
> There is huge traffic coming out from my DNS server since yesterday 
> and flooding the IP 212.107.121.110, though I have increased the 
> limitation of tcp-clients in named.conf but still the issue.  any help 
> would be highly appreciate.
>
> My bind version is
>
> [root at ns10 ~]# named -v
>
> BIND 9.9.2-P1
>
> When checking  there are several entries as below.
>
> Jul 26 10:53:26 ns10 named[3004]: client 212.107.121.110#4636: no more 
> TCP clients: quota reached
>
> quota reached
>
> Jul 26 10:53:13 ns10 named[3004]: client 212.107.121.110#4571: no more 
> TCP clients: quota reached
>
> Jul 26 10:53:13 ns10 named[3004]: client 212.107.121.110#4572: no more 
> TCP clients: quota reached
>
> Jul 26 10:53:19 ns10 named[3004]: client 212.107.121.110#4597: no more 
> TCP clients: quota reached
>
> Jul 26 10:53:25 ns10 named[3004]: client 212.107.121.110#4633: no more 
> TCP clients: quota reached
>
> Jul 26 10:53:25 ns10 named[3004]: client 212.107.121.110#4635: no more 
> TCP clients: quota reached
>
> Jul 26 10:53:26 ns10 named[3004]: client 212.107.121.110#4636: no more 
> TCP clients: quota reached
>
> Thanks,
>
> Mohammed Ejaz
>
> Asst. Operation Director of Systems.
>
> Cyberia SAUDI ARABIA
>
> P.O.Box: 301079, Riyadh 11372
>
> Phone:  (+966) 11 464 7114 Ext. 140
>
> Mobile:  (+966) 562311787
>
> Fax:      (+966) 11 465 4735
>
> Website: http://www.cyberia.net.sa
>
>
>
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