ZyXEL Communications SBG3500-N000 - The Firewall Screen; The Dos Screen

Chapter 17 Firewall
SBG3500-N Series User’s Guide
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Figure 122 ZWO
17.2 The Firewall Screen
Use this screen to enable the firewall on the SBG3500-N Series.
Click Security > Firewall to display the General screen.
Figure 123 Security > Firewall > General
Select Enable to activate the firewall feature on the SBG3500-N Series.
17.3 The DoS Screen
DoS (Denial of Service) attacks can flood your Internet connection with invalid packets and
connection requests, using so much bandwidth and so many resources that Internet access
becomes unavailable.