I am not using iptable firewall from my redhat Linux box, all traffic manged by network team..
Ejaz From: bind-users [mailto:bind-users-boun...@lists.isc.org] On Behalf Of Abdul Khader Sent: Tuesday, July 26, 2016 11:21 AM To: bind-users@lists.isc.org Subject: Re: outgoing-traffic 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@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 _______________________________________________ Please visit https://lists.isc.org/mailman/listinfo/bind-users to unsubscribe from this list bind-users mailing list bind-users@lists.isc.org <mailto:bind-users@lists.isc.org> https://lists.isc.org/mailman/listinfo/bind-users
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