<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=iso-8859-1"><meta name=Generator content="Microsoft Word 12 (filtered medium)"><!--[if !mso]><style>v\:* {behavior:url(#default#VML);}
o\:* {behavior:url(#default#VML);}
w\:* {behavior:url(#default#VML);}
.shape {behavior:url(#default#VML);}
</style><![endif]--><style><!--
/* Font Definitions */
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
@font-face
{font-family:Tahoma;
panose-1:2 11 6 4 3 5 4 4 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0in;
margin-bottom:.0001pt;
font-size:11.0pt;
font-family:"Calibri","sans-serif";}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:blue;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{mso-style-priority:99;
color:purple;
text-decoration:underline;}
p.MsoAcetate, li.MsoAcetate, div.MsoAcetate
{mso-style-priority:99;
mso-style-link:"Balloon Text Char";
margin:0in;
margin-bottom:.0001pt;
font-size:8.0pt;
font-family:"Tahoma","sans-serif";}
span.EmailStyle17
{mso-style-type:personal-compose;
font-family:"Calibri","sans-serif";
color:windowtext;}
span.BalloonTextChar
{mso-style-name:"Balloon Text Char";
mso-style-priority:99;
mso-style-link:"Balloon Text";
font-family:"Tahoma","sans-serif";}
.MsoChpDefault
{mso-style-type:export-only;}
@page WordSection1
{size:8.5in 11.0in;
margin:1.0in 1.0in 1.0in 1.0in;}
div.WordSection1
{page:WordSection1;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="2050" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Hi,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I am not sure where to go to ask this question, so I ask it here.<o:p></o:p></p><p class=MsoNormal>I am using Unbound to serve a public DNS server and I am looking for a way to prevent bot or server degrading my service by requesting the same domain name like 10 times per seconds. I thought of using fail2ban but for that I need to get the ip of the requester somewhere in the log, so I tried analyzing the log and changed the verbosity of the logging with unbound-control, but still I don’t find anything yet that I could use for this purpose.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Do you have any idea how I can achieve this goal?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Thank you!<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><b><span lang=FR-CA style='color:#1F497D'>Dominick Rivard<o:p></o:p></span></b></p><p class=MsoNormal><span lang=FR-CA style='font-size:9.0pt;color:#1F497D'>R&D Linux Developer</span><span lang=FR-CA style='font-size:9.0pt;color:#A6A6A6'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;color:#A6A6A6'>(514) 385-4448<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'><img width=213 height=36 id="Picture_x0020_3" src="cid:image001.jpg@01CCE0D6.31749990" alt=JPG.jpg><o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;color:#A6A6A6'>Datavalet Technologies Inc.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;color:#A6A6A6'>5275 Queen Mary<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;color:#A6A6A6'>Montreal, Quebec<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;color:#A6A6A6'>H3W 1Y3<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;color:#A6A6A6'>Tel: (866) 532-4448 <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;color:#A6A6A6'>Fax: (514) 385-6660<o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><i><span lang=EN-CA style='font-size:8.0pt;color:#A6A6A6'>Notice: </span></i></b><i><span lang=EN-CA style='font-size:8.0pt;color:#A6A6A6'>This message is confidential and privileged. If you are not the addressee, please inform the sender<br>by return e-mail immediately and delete this message and destroy all copies.<br></span></i><b><i><span lang=FR style='font-size:8.0pt;color:#A6A6A6'>Avis :</span></i></b><i><span lang=FR style='font-size:8.0pt;color:#A6A6A6'> Ce message est confidentiel et protégé par le secret professionnel. Si vous n’êtes pas le destinataire, <br>veuillez informer l’expéditeur par courrier électronique immédiatement et effacer ce message et en détruire toute copie.<o:p></o:p></span></i></p><p class=MsoNormal><span lang=FR-CA><o:p> </o:p></span></p></div></body></html>