Settings - Draytek Vigor 2200VG User Manual

Even your installation is not set with password, you can still enter system
maintenance to set up your password.
The users on the LAN are provided with secured protection by means of
following firewall facilities:
IP Filter
Stateful Packet Inspection: tracks packets and denies unsolicited
incoming data
Selectable DoS/DDoS protection
User-configurable packet filter
When you would like to activate SPI (Stateful Packet Inspection),
please follow the path: Firewall>Edit Filter Rule>Keep State

6.2 Settings

Click Firewall Setup to open the setup page.
Firewall Setup
6-2