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N450 WiFi Cable Modem Router Model N450/CG3000Dv2
Firewall features appear near the top of the screen.
4. Do one of the following:
To enable a firewall feature, select the check box next to the feature.
To disable a firewall feature, clear the check box next to the feature.
5. Click the Apply button.
Your changes are saved.
The following table describes the fields displayed in this screen.
Feature Description
Enable. The modem router performs stateful packet inspection (SPI).
Disable. The modem router does not perform SPI.
Enable. The modem router forwards IPS traffic.
Disable. The modem router blocks traffic.
Enable. The modem router forwards PPTP traffic.
Disable. The modem router blocks PPTP traffic.
Enable. The modem router passes multicasting streams through the
firewall.
Disable. The modem router blocks multicasting streams.
Enable. The modem router responds to Internet-based port scans.
Disable. The modem router does not respond to Internet-based port scans.
Enable. The modem router blocks malicious devices that are attempting to
flood devices.
Disable. The modem router does not block malicious devices.
To enable or disable specific web features:
1. Type http://192.168.0.1 in the address field of your web browser.
Firewall
IPSec Pass-Through
PPTP Pass-Through
Multicast
Port Scan Detection
IP Flood Detection