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</o:shapelayout></xml><![endif]--></head><body bgcolor=white lang=EN-US link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>I am not using iptable firewall from my redhat Linux box, all traffic manged by network team.. <o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Ejaz <o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='color:windowtext'>From:</span></b><span style='color:windowtext'> bind-users [mailto:bind-users-bounces@lists.isc.org] <b>On Behalf Of </b>Abdul Khader<br><b>Sent:</b> Tuesday, July 26, 2016 11:21 AM<br><b>To:</b> bind-users@lists.isc.org<br><b>Subject:</b> Re: outgoing-traffic<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p>You can use iptables to rate-limit the IP.<span style='font-size:12.0pt'><o:p></o:p></span></p><div><p class=MsoNormal style='margin-bottom:12.0pt'><o:p> </o:p></p></div><div><p class=MsoNormal>On 7/26/2016 12:11 PM, Ejaz wrote:<o:p></o:p></p></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal>All. <o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal>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.<o:p></o:p></p><div style='border:none;border-bottom:double windowtext 2.25pt;padding:0in 0in 1.0pt 0in'><p class=MsoNormal> <o:p></o:p></p></div><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal>My bind version is <o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal>[root@ns10 ~]# named -v<o:p></o:p></p><div style='border:none;border-bottom:double windowtext 2.25pt;padding:0in 0in 1.0pt 0in'><p class=MsoNormal>BIND 9.9.2-P1<o:p></o:p></p></div><p class=MsoNormal> <o:p></o:p></p><div style='border:none;border-bottom:double windowtext 2.25pt;padding:0in 0in 1.0pt 0in'><p class=MsoNormal> <o:p></o:p></p></div><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal>When checking there are several entries as below. <o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal>Jul 26 10:53:26 ns10 named[3004]: client 212.107.121.110#4636: no more TCP clients: quota reached<o:p></o:p></p><p class=MsoNormal>quota reached<o:p></o:p></p><p class=MsoNormal>Jul 26 10:53:13 ns10 named[3004]: client 212.107.121.110#4571: no more TCP clients: quota reached<o:p></o:p></p><p class=MsoNormal>Jul 26 10:53:13 ns10 named[3004]: client 212.107.121.110#4572: no more TCP clients: quota reached<o:p></o:p></p><p class=MsoNormal>Jul 26 10:53:19 ns10 named[3004]: client 212.107.121.110#4597: no more TCP clients: quota reached<o:p></o:p></p><p class=MsoNormal>Jul 26 10:53:25 ns10 named[3004]: client 212.107.121.110#4633: no more TCP clients: quota reached<o:p></o:p></p><p class=MsoNormal>Jul 26 10:53:25 ns10 named[3004]: client 212.107.121.110#4635: no more TCP clients: quota reached<o:p></o:p></p><div style='border:none;border-bottom:double windowtext 2.25pt;padding:0in 0in 1.0pt 0in'><p class=MsoNormal>Jul 26 10:53:26 ns10 named[3004]: client 212.107.121.110#4636: no more TCP clients: quota reached<o:p></o:p></p></div><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal>Thanks,<o:p></o:p></p><p class=MsoNormal>Mohammed Ejaz<o:p></o:p></p><p class=MsoNormal>Asst. Operation Director of Systems.<o:p></o:p></p><p class=MsoNormal>Cyberia SAUDI ARABIA<o:p></o:p></p><p class=MsoNormal>P.O.Box: 301079, Riyadh 11372<o:p></o:p></p><p class=MsoNormal>Phone: (+966) 11 464 7114 Ext. 140<o:p></o:p></p><p class=MsoNormal>Mobile: (+966) 562311787<o:p></o:p></p><p class=MsoNormal>Fax: (+966) 11 465 4735<o:p></o:p></p><p class=MsoNormal>Website: <a href="http://www.cyberia.net.sa">http://www.cyberia.net.sa</a><o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'><br><br><br><o:p></o:p></span></p><pre>_______________________________________________<o:p></o:p></pre><pre>Please visit <a href="https://lists.isc.org/mailman/listinfo/bind-users">https://lists.isc.org/mailman/listinfo/bind-users</a> to unsubscribe from this list<o:p></o:p></pre><pre><o:p> </o:p></pre><pre>bind-users mailing list<o:p></o:p></pre><pre><a href="mailto:bind-users@lists.isc.org">bind-users@lists.isc.org</a><o:p></o:p></pre><pre><a href="https://lists.isc.org/mailman/listinfo/bind-users">https://lists.isc.org/mailman/listinfo/bind-users</a><o:p></o:p></pre></blockquote><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'><o:p> </o:p></span></p></div></body></html>