Response Policy Zones

October 2, 2013


Using DNS RPZ to Block Malicious DNS Requests

3 min read

After delivering several presentations at Cisco Live and Cisco Connect this year, I received a few questions regarding DNS Response Policy Zones (RPZ) and how can they be used to block DNS resolution to known malicious hosts and sites. I decided to write this short post to explain what it is and provide several pointers. […]