In this blog series I am going to show you how to setup an effective Bro cluster. In future posts I hope to be tweaking Bro to produce better detection with custom rules and utilizing open threat intelligence feeds. Bro is the perfect solution for a homegrown IDS solution because it’s free and can be distributed. In my home network I have a DNS server and proxy server that I wish to monitor with Bro. Bro allows me to setup agents(workers) to monitor my DNS and proxy servers and forward data to a Bro manager for analysis.