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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='color:black'>All. <o:p></o:p></span></p><p class=MsoNormal><span style='color:black'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:black'>There is huge traffic coming out from my DNS server since yesterday and flooding the IP </span>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='mso-element:para-border-div;border:none;border-bottom:double windowtext 2.25pt;padding:0in 0in 1.0pt 0in'><p class=MsoNormal style='border:none;padding:0in'><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='mso-element:para-border-div;border:none;border-bottom:double windowtext 2.25pt;padding:0in 0in 1.0pt 0in'><p class=MsoNormal style='border:none;padding:0in'>BIND 9.9.2-P1<o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p><div style='mso-element:para-border-div;border:none;border-bottom:double windowtext 2.25pt;padding:0in 0in 1.0pt 0in'><p class=MsoNormal style='border:none;padding:0in'><o:p> </o:p></p></div><p class=MsoNormal><span style='color:black'><o:p> </o:p></span></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='mso-element:para-border-div;border:none;border-bottom:double windowtext 2.25pt;padding:0in 0in 1.0pt 0in'><p class=MsoNormal style='border:none;padding:0in'>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: http://www.cyberia.net.sa<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>