<div><div dir="auto">If you have specific questions I use wpad in my organization.</div></div><div dir="auto"><br></div><div dir="auto">This is how it works..</div><div dir="auto"><br></div><div dir="auto"><div><a href="https://findproxyforurl.com/wpad-introduction/">https://findproxyforurl.com/wpad-introduction/</a></div><br></div><div dir="auto">And blocking the relevant entries or sending them nxdomain would accomplish what you ask.</div><div dir="auto"><br></div><div dir="auto">So would having authoritative dns.. and not having wildcard entries..</div><div><br><div class="gmail_quote"><div dir="ltr">On Tue, Jul 31, 2018 at 5:23 PM al so <<a href="mailto:volkswak@gmail.com">volkswak@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">It's about WPAD related attacks.<div>Many routers do use dnsmasq library to offer DNS/DHCP service. How to blacklist WPAD?<br><div><br></div></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Jul 31, 2018 at 8:23 AM,  <span dir="ltr"><<a href="mailto:wkitty42@gmail.com" target="_blank">wkitty42@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span>On 07/30/2018 10:43 PM, al so wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Is there an API to blacklist certain DNS domains which should get resolved?<br>
</blockquote>
<br>
<br></span>
do you mean blacklist them with NXDOMAIN even though they do exist?<br>
<br>
from dnsmasq.conf<br>
<br>
# block these domains with NXDOMAIN<br>
server=/<a href="http://example.com/" rel="noreferrer" target="_blank">example.com/</a><br>
server=/<a href="http://facebook.com/" rel="noreferrer" target="_blank">facebook.com/</a><br>
server=/<a href="http://fbcdn.net/" rel="noreferrer" target="_blank">fbcdn.net/</a><br>
server=/<a href="http://fbcdn.com/" rel="noreferrer" target="_blank">fbcdn.com/</a><br>
server=/<a href="http://facebook.net/" rel="noreferrer" target="_blank">facebook.net/</a><span class="m_2133235725705982339HOEnZb"><font color="#888888"><br>
<br>
<br>
<br>
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</blockquote></div></div>-- <br><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature">Network Analyst<br>Poughkeepsie City School District<br>SMS & Mobile: (202) 810-5827<br><a href="http://twitter.com/bcookatpcsd">twitter.com/bcookatpcsd</a><br><br>If you can't explain it simply, you don't understand it well enough.</div>

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