Intrusion Detection and Prevention, utilizing Suricata and Proofpoint’semerging threat rules using either the commercial optional ET Pro or the ET Pro Telemetry List (requires free signup)īut what really stands out about this software, is that it’s integrated with the free version of Sensei, by Sunny Valley Networks.Web Filtering, Fully integrated web proxy with access control and support for external blacklists to filter unwanted traffic.VPN support for IPsec (including route-based), OpenVPN as well as pluggable support for Tinc (full mesh VPN) and WireGuard.Multi Wan Support capable, including load balancing and failover support.Firewall, with a stateful firewall supporting IPv4 and IPv6 and live view on blocked or passed traffic.The recommended hardware requirement is still quite low at a 1.5GHz processor and 8GB ram with 120GB SSD drive, making this firewall a great option for small business and home lab environments. This lightweight but very powerful firewall can be installed on just about anything, requiring a minimum spec of just a 1GHz dual-core processor and 2GB ram, the storage minimum requirement an SD or CF card with a minimum of 4GB. OPNsense provides the features of these more expensive offerings with the added benefit of being open source. OPNsense is easy to use and open-source built on HardenedBSD, It includes most of the features that are currently available on commercial firewall solutions.

Opnsense sensei