I am out of the office October 1st & 2nd and will respond to your message as quickly as possible once I return.
Amanda On Oct 1, 2018, at 5:03 AM, Chris via Unbound-users <[email protected]> wrote: > I was reading a disturbing article on ways that DNS can be used to get data > past firewalls and for malicious programs to communicate with a command and > control center via DNS NXDOMAIN. > > Right off hand I dont see a way to block this ? Looking at my NXDOMAIN > lookups its quite pervasive and coming from a large number of sources. Its > clearly being used by A LOT of people. > > Is there a way I can use Unbound to mitigate this threat ? This is a serious > issue because i don't see how to block this. > > https://www.plixer.com/blog/detecting-malware/security-vendors-teaching-bad-actors-how-to-get-past-firewalls/ > > ______________________________________________________________________ > This email has been scanned by the Symantec Email Security.cloud service. > For more information please visit http://www.symanteccloud.com > ______________________________________________________________________
