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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Hello Dears,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>I Configure PowerDNS Recursor with below configuration :<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>allow-from-file=/etc/pdns-recursor/IP-Iran-List.txt<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>setuid=pdns-recursor<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>setgid=pdns-recursor<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>local-address=127.0.0.1 x.x.x.x<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>any-to-tcp=yes<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>distribution-load-factor=1.25<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>pdns-distributes-queries=yes<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>distributor-threads=1<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>logging-facility=0<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>max-tcp-queries-per-connection=10<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>quiet=no<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>reuseport=yes<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>threads=3<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>When I check with <a href="https://dnscheck.tools/">https://dnscheck.tools/</a>, I have some errors like:<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>##########################################################<o:p></o:p></span></p><p class=MsoNormal><span class=red><span style='font-size:13.5pt;font-family:"Courier New";color:#CC0000;background:white'>Oh no!</span></span><span style='font-size:13.5pt;font-family:"Courier New";color:#2E3436;background:white'> Your dns responses are NOT properly authenticated! You may be susceptible to certain attacks such as dns cache poisoning.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:13.5pt;font-family:"Courier New";color:#2E3436;background:white'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:13.5pt;font-family:"Courier New";color:#2E3436;background:white'>And<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:13.5pt;font-family:"Courier New";color:#2E3436;background:white'><o:p> </o:p></span></p><p class=MsoNormal style='background:white'><span style='font-size:13.5pt;font-family:"Courier New";color:#2E3436'>Your dns security:<o:p></o:p></span></p><p class=MsoNormal style='background:white'><span style='font-size:13.5pt;font-family:"Courier New";color:#2E3436'>DNSSEC (</span><span style='font-size:13.5pt;font-family:"Courier New";color:#CC0000'>FAIL</span><span style='font-size:13.5pt;font-family:"Courier New";color:#2E3436'>)<o:p></o:p></span></p><ul type=disc><li class=MsoNormal style='color:#2E3436;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l1 level1 lfo1;background:white'><span style='font-size:13.5pt;font-family:"Courier New"'>Valid signature: </span><span style='font-size:13.5pt;font-family:"Courier New";color:#4E9A06'>connected</span><span style='font-size:13.5pt;font-family:"Courier New"'><o:p></o:p></span></li><li class=MsoNormal style='color:#2E3436;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l1 level1 lfo1;background:white'><span style='font-size:13.5pt;font-family:"Courier New"'>Invalid signature: </span><span style='font-size:13.5pt;font-family:"Courier New";color:#CC0000'>connected</span><span style='font-size:13.5pt;font-family:"Courier New"'><o:p></o:p></span></li><li class=MsoNormal style='color:#2E3436;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l1 level1 lfo1;background:white'><span style='font-size:13.5pt;font-family:"Courier New"'>Expired signature: </span><span style='font-size:13.5pt;font-family:"Courier New";color:#CC0000'>connected</span><span style='font-size:13.5pt;font-family:"Courier New"'><o:p></o:p></span></li><li class=MsoNormal style='color:#2E3436;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l1 level1 lfo1;background:white'><span style='font-size:13.5pt;font-family:"Courier New"'>Missing signature: </span><span style='font-size:13.5pt;font-family:"Courier New";color:#CC0000'>connected</span><span style='font-size:13.5pt;font-family:"Courier New"'><o:p></o:p></span></li></ul><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:white'><span style='font-size:13.5pt;font-family:"Courier New";color:#CC0000'>#################################</span><span style='font-size:13.5pt;font-family:"Courier New";color:#2E3436'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>But when try using 8.8.8.8 different :<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span class=green><span style='font-size:13.5pt;font-family:"Courier New";color:#4E9A06;background:white'>Great!</span></span><span style='font-size:13.5pt;font-family:"Courier New";color:#2E3436;background:white'> Your dns responses are authenticated, protecting you from certain attacks<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:13.5pt;font-family:"Courier New";color:#2E3436;background:white'><o:p> </o:p></span></p><p class=MsoNormal style='background:white'><span style='font-size:13.5pt;font-family:"Courier New";color:#2E3436'>Your dns security:<o:p></o:p></span></p><p class=MsoNormal style='background:white'><span style='font-size:13.5pt;font-family:"Courier New";color:#2E3436'>DNSSEC (</span><span style='font-size:13.5pt;font-family:"Courier New";color:#4E9A06'>PASS</span><span style='font-size:13.5pt;font-family:"Courier New";color:#2E3436'>)<o:p></o:p></span></p><ul type=disc><li class=MsoNormal style='color:#2E3436;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0 level1 lfo2;background:white'><span style='font-size:13.5pt;font-family:"Courier New"'>Valid signature: </span><span style='font-size:13.5pt;font-family:"Courier New";color:#4E9A06'>connected</span><span style='font-size:13.5pt;font-family:"Courier New"'><o:p></o:p></span></li><li class=MsoNormal style='color:#2E3436;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0 level1 lfo2;background:white'><span style='font-size:13.5pt;font-family:"Courier New"'>Invalid signature: </span><span style='font-size:13.5pt;font-family:"Courier New";color:#4E9A06'>not connected</span><span style='font-size:13.5pt;font-family:"Courier New"'><o:p></o:p></span></li><li class=MsoNormal style='color:#2E3436;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0 level1 lfo2;background:white'><span style='font-size:13.5pt;font-family:"Courier New"'>Expired signature: </span><span style='font-size:13.5pt;font-family:"Courier New";color:#4E9A06'>not connected</span><span style='font-size:13.5pt;font-family:"Courier New"'><o:p></o:p></span></li><div style='mso-element:para-border-div;border:none;border-bottom:double windowtext 6.75pt;padding:0in 0in 1.0pt 0in;background:white;margin-left:.25in;margin-right:0in'><li class=MsoNormal style='color:#2E3436;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:.25in;mso-list:l0 level1 lfo2;background:white;border:none;padding:0in'><span style='font-size:13.5pt;font-family:"Courier New"'>Missing signature: </span><span style='font-size:13.5pt;font-family:"Courier New";color:#4E9A06'>not connected</span><span style='font-size:13.5pt;font-family:"Courier New"'><o:p></o:p></span></li></div></ul><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:.25in;background:white'><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>How can I secure my dns Recursor? I try read document about dnssec in powerdns wiki but can’t understand what should I do ?</span><span lang=AR-SA dir=RTL style='font-size:11.0pt;font-family:"Arial",sans-serif;color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:.25in;background:white'><span lang=AR-SA dir=RTL style='font-size:11.0pt;font-family:"Arial",sans-serif;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:.25in;background:white'><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Best Regards,<o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:.25in;background:white'><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Hamed Haghshenas<o:p></o:p></span></p><p class=MsoNormal style='margin-left:.25in'><span lang=FA dir=RTL style='font-size:11.0pt;font-family:"Arial",sans-serif;color:#1F497D'><o:p> </o:p></span></p></div></body></html>