Suricata 2.0beta2 as IPS on Ubuntu 12.04
Today I decided to install Suricata , the open source intrusion detection and prevention engine from the Open Information Security Foundation (OISF) , as an IPS. I've been running Suricata in IDS mode through Security Onion on and off for several years, but I never tried Suricata as an IPS. I decided I wanted to run Suricata as a bridging IPS, such that it did not route traffic. In other words, I could place a Suricata IPS between, say, a router and a firewall, or between a router and a host, and neither endpoint would know the IPS was present. Looking at available documentation across the Web, I did not see specific mention of this exact configuration. It's entirely possible I missed something useful, but most people running Linux as a bridge weren't using Suricata. Those running Linux as a bridge sometimes enabled an IP address for the bridge, which is something I didn't want to do. (True bridges should be invisible to endpoints.) Of course, to administer the ...