Introduction - Draytek Vigor2500V Manual

6.1 Introduction

Security is top priority to be took into consideration as the users of
ADSL broadband
interactive applications, or distance learning. The Firewall function
helps protect your local network against attack from unauthorized
outsiders. It also provides a way of restricting users on the local
network from accessing the Internet. Additionally, it can filter out
specific packets to trigger the router to place an outgoing connection.
The users on the LAN are provided with secured protection by means
of following firewall facilities:
Stateful Packet Inspection: tracks packets and denies unsolicited
incoming data
Selectable DoS/DDoS protection
User-configurable packet filter
NAT/PAT with Port Forwarding/Redirection & DMZ
Supports ALGs (Application Layer Gateways)
Virtual server via port redirection or open ports feature
E-mail alerting mechanism
Note:
Inspection), please follow the path: Firewall>Edit Filter Rule.:
demands more
When you would like to activate SPI (Stateful Packet
6-1
Vigor2500V series
Chapter 6
Firewall
bandwidth for multimedia,