(The system is based on freebsd8.2, using PacketFilter for NAT, ipfwdummynet for traffic shaping, and WebGui based on m0n0wall1.3 after a large number of modifications. Support features: 1. The full memory operation mode eliminates the worries of power failure and downtime. 2. Multi line equalization supports multi PPPoE. 3. Policy route, automatic redundancy, that is, the policy route will automatically return to the main route after being disconnected. 4. Object encapsulation is supported. Multiple IP or ports can be encapsulated into an object, which can be referenced by the firewall to simplify the rule management of the firewall. 5. The maximum number of firewall connections supports customization. 6. ARP protection provides a more detailed and simple ARP protection interface. 7. It supports GRE traversal, that is, it supports a common route to repeatedly dial PPTP to connect to the firewall. 8. A simpler installation method, adaptive network card, can automatically identify the network card upon startup without manual intervention. 9. Integrated panabit interface, free to install / upgrade panabit. 10. Support multiple pppoeservers / l2tpservers. 11. Support multiple l2tpclients and pptpclients. 12. Add wireless card support. 13. Add driver import support, and you can import drivers by yourself. 14. Join the IP traffic view. There are many minor changes.)