OPNSense

OPNsense is an open-source, feature-rich firewall and routing platform that offers cutting-edge network protection. It provides a stateful firewall with support for IPv4 and IPv6, live view on blocked or passed traffic, and multi-WAN capabilities including load balancing and failover support. The platform also features integrated support for IPsec, OpenVPN, Tinc, and WireGuard, as well as hardware failover with state synchronization using CARP. Additionally, OPNsense includes reporting and monitoring tools with modern RRD graphs, options to zoom in and export data, and support for NetFlow analyzers. The platform also offers intrusion prevention using Suricata and Proofpoint's Emerging Threats Open rules. With a simplified 2-clause license, OPNsense is an ideal solution for companies and professionals seeking turnkey, high-end security solutions. The OPNsense Business Edition unlocks premium features and advanced tools, providing a selective upgrade path with extra commercial benefits. The official OPNsense hardware is engineered for exceptional performance per watt, reliability, and ease of use, making it a comprehensive security solution for various use cases.