= OPNsense = ------- Glossary: ---- . OPNsense Beginner to Professional . Julio Cesar Bueno de Camargo 2022 Packt 437 pages . [[ https://opnsense.org/ | OPNsense 21.x ]] (current version [[ https://docs.opnsense.org/releases/CE_25.7.html| 25.7 Visionary Viper ]] FreeBSD 14.3 .Ubuntu and VirtualBox??? .p004 m0n0wall founder [[ https://www.open-circle.ch/en/team/manuel-kasper/ | Manuel Kasper ]] .p005 Model View Controller [[ https://en.wikipedia.org/wiki/Model%E2%80%93view%E2%80%93controller | MVC-]]based interface .p005 [[ https://en.wikipedia.org/wiki/OpenSSL | OpenSSL ]] .p005 [[ https://en.wikipedia.org/wiki/Phalcon_(framework) | Phalcon PHP web framework ]] .p005 [[ https://docs.opnsense.org/development/backend/configd.html | configd ]] .p006 [[ https://www.freebsd.org/ | FreeBSD ]] [[ https://en.wikipedia.org/wiki/FreeBSD | wp ]] 2025 Oct Production release [[ https://www.freebsd.org/releases/14.3R/announce/ | 14.3 ]] .p007 [[ https://en.wikipedia.org/wiki/M0n0wall | m0n0wall ]] .p007 [[ https://en.wikipedia.org/wiki/Intrusion_detection_system | Intrusion Detection System (IDS) ]] .p007 Intrusion Prevention System (IPS) .p008 [[ https://en.wikipedia.org/wiki/WebGUI | WebGUI ]] .p008 [[ https://en.wikipedia.org/wiki/SquidGuard | SquidGuard ]] .p008 [[ https://en.wikipedia.org/wiki/Snort_(software) | Snort ]] .p009 [[ https://en.wikipedia.org/wiki/IEEE_802.1Q | IEEE 802.1Q ]] Dot1Q .p009 [[ https://en.wikipedia.org/wiki/VLAN | VLAN ]] support .p010 [[ https://en.wikipedia.org/wiki/PF_(firewall) | pf ]] OpenBSD's PF Firewall (better than iptables) .p010 rule error There were error(s) loading the rules: /tmp/rules.debug .p010 [[ https://nlnetlabs.nl/projects/unbound/about/ | Unbound service ]] [[ https://www.digicert.com/blog/understanding-dns-forwarding | DNS forwarder ]] .p010 [[ https://www.howtogeek.com/866573/what-is-dynamic-dns-ddns-and-how-do-you-set-it-up/ | DDNS ]] .p011 [[ https://www.geeksforgeeks.org/ethical-hacking/intrusion-prevention-system-ips/ | Intrusion Prevention System ]] .p011 [[ https://en.wikipedia.org/wiki/Suricata_(software) | Suricata ]] .p011 [[ https://en.wikipedia.org/wiki/Proofpoint | Proofpoint ]] Support . better to block single site than entire internet .p011 [[ https://docs.opnsense.org/manual/proxy.html | Forward Caching Proxy ]] .p011 [[ https://en.wikipedia.org/wiki/Virtual_private_network | VPN ]][[ https://en.wikipedia.org/wiki/IPsec | IpSec ]] [[ https://en.wikipedia.org/wiki/OpenVPN | OpenVPN ]] . can [[ https://en.wikipedia.org/wiki/WireGuard | Wireguard ]] be used for VPN? .p011 [[ https://en.wikipedia.org/wiki/Captive_portal | Captive Portal ]] .p011 [[ https://en.wikipedia.org/wiki/NetFlow | Netflow ]] .p012 [[ https://en.wikipedia.org/wiki/IPsec | IPSec ]] .p012 CARP [[ https://en.wikipedia.org/wiki/Cache_Array_Routing_Protocol | Cache Array Routing Protocol ]] [[ https://en.wikipedia.org/wiki/Common_Address_Redundancy_Protocol | Common Address Redundancy Protocol ]] .p012 [[ https://en.wikipedia.org/wiki/Intrusion_detection_system | IDPS ]] .p012 [[ https://opnsense.org/about/features// | features ]] .p013 [[ https://en.wikipedia.org/wiki/ZeroTier | ZeroTier VPN ]] .p013 [[ https://en.wikipedia.org/wiki/OSI_model | OSI Layer 3 and 4 ]] .p013 [[ https://en.wikipedia.org/wiki/Proxy_server#Web_proxy_servers | web proxy ]] .p013 [[ https://en.wikipedia.org/wiki/Captive_portal | captive portal ]] .p013 [[ https://en.wikipedia.org/wiki/Certificate_authority | Certificate Authority ]] .p013 [[ https://en.wikipedia.org/wiki/Squid_(software) | Squid ]] .p013 [[ https://en.wikipedia.org/wiki/SD-WAN | SD-WAN ]] .p017 [[ https://en.wikipedia.org/wiki/Hypervisor | hypervisor ]][[ https://en.wikipedia.org/wiki/VirtualBox | VirtualBox ]] .p018 [[ https://www.bsdsrv.se/openssl-cryptography-and-ssl-tls-toolkit/ | OpenSSL TLS/SSL Toolkit ]] .p019 SD or CF memory cards, [[ https://www.snia.org/node/13837 | mSATA SSD wearout ]] .p019 [[ http://www.howto.stankey.com/BSD_hints/nano.html | OpenBSD nano ]] [[ https://forum.opnsense.org/index.php?topic=45035.0 | pkg install nano ]] .p019 [[ https://man.freebsd.org/cgi/man.cgi?query=netmap&sektion=4 | netmap ]] network framework .p019 [[ https://docs.opnsense.org/manual/install.html#installation-images| VGA install ]] USB media .p019 [[ https://forums.freebsd.org/threads/installing-freebsd-over-serial-console.62005/ | Serial ]] USB Media installer .p019 [[ https://docs.opnsense.org/vendor/sunnyvalley/zenarmor.html | Sensei plugin ]] .p020 Intel em? interface [[ https://www.reddit.com/r/intel/comments/al6m6r/intel_i211_gigabit_unreliable_and_disconnecting/ | Intel I211-AT ethernet ]] on APU dropped packets at 1 Gbps . perhaps OK at 500 Mbps or below, Ziply currently 200 Mbps .p020 Min hardware: . 1 GHz dual core -- APU is 1GHz quad core . 2 GB ram -- APU is 4GB . [[http://www.howto.stankey.com/BSD_hints/nano.html | nano image installation? ]] .p020 [[ https://docs.opnsense.org/manual/hardware.html#throughput | appropriate hardware ]]