OPNsense - очень интересный open source проект основанный на FreeBSD и призванный конкурировать с именитым
https://www.pfsense.org/ который кстати в последнее время не без греха.
*Основные фичеры OPNsense:*
* Traffic Shaper
* Two-factor Authentication throughout the system
* Captive portal
* Forward Caching Proxy (transparent) with Blacklist support
* Virtual Private Network (site to site & road warrior, IPsec, OpenVPN legacy PPTP support)
* High Availability & Hardware Failover ( with configuration synchronization & synchronized state tables)
* Intrusion Detection and Prevention
* Build-in reporting and monitoring tools including RRD Graphs
* Netflow Exporter
* Network Flow Monitoring
* Support for plugins
* DNS Server & DNS Forwarder
* DHCP Server and Relay
* Dynamic DNS
* Encrypted configuration backup to Google Drive
* Stateful inspection firewall
* Granular control over state table
* 802.1Q VLAN support