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<p style="margin-top:0;margin-bottom:0">in the conf file , you can specify the subnets those allowed to use this server s.t (default )<br>
<span>allow-from = <span style="color: rgb(51, 51, 51); font-family: "Open Sans", Calibri, Candara, Arial, sans-serif; font-size: 13px;">10.0.0.0/8, 172.16.0.0/12, 192.168.0.0/16</span></span><br>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Pdns-users <pdns-users-bounces@mailman.powerdns.com> on behalf of Hamed Haghshenas <haghshenas@chavoosh.com><br>
<b>Sent:</b> Saturday, July 7, 2018 2:19:16 PM<br>
<b>To:</b> pdns-users@mailman.powerdns.com<br>
<b>Subject:</b> [Pdns-users] PDNS Authoritative Server DDOS Protection</font>
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<p class="x_MsoNormal"><span style="font-family:"Courier New"">Hi,</span></p>
<p class="x_MsoNormal"><span style="font-family:"Courier New""> </span></p>
<p class="x_MsoNormal"><span style="font-family:"Courier New"">I’m using PDNS Authoritative Server 4.1.3, today I see my server not response and error or timeout on resolves .</span></p>
<p class="x_MsoNormal"><span style="font-family:"Courier New"">When check the server see to many DNS requests from some IPs from Brazil like DDOS attack. To fix errors and timeouts, I block the attacker subnet in my firewall .</span></p>
<p class="x_MsoNormal"><span style="font-family:"Courier New""> </span></p>
<p class="x_MsoNormal"><span style="font-family:"Courier New"">Now could you please let me know how protect my server from DOS and DDOS attacks ?</span></p>
<p class="x_MsoNormal"><span style="font-family:"Courier New""> </span></p>
<p class="x_MsoNormal"><span style="font-family:"Courier New"">Best Regards,</span></p>
<p class="x_MsoNormal"><span style="font-family:"Courier New""> </span></p>
<p class="x_MsoNormal"><span style="font-family:"Courier New"">Hamed Haghshenas</span></p>
<p class="x_MsoNormal"><span style="font-family:"Courier New""> </span></p>
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