Nytro Posted June 14, 2014 Report Posted June 14, 2014 DNS SinkholeThis paper describes the architecture and configuration of a complete Domain Name Services (DNS) sinkholesystem based on open-source software. The DNS sinkhole can be used to provide detection and prevention ofmalicious and unwanted activity occurring between organization computer systems and the Internet. The system is inexpensive, effective, scalable and easy to maintain.Download: https://www.sans.org/reading-room/whitepapers/dns/dns-sinkhole-33523 Quote