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Gateway Configuration Screen Definitions
SURFboard SBG6400 Wireless Gateway
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User Guide
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365-095-26377 x.3 Copyright 2015 ARRIS Enterprises, Inc. All Rights Reserved.
Firewall Screens
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The firewall is already configured on the SBG6400. You can configure additional firewall filters
and firewall alert notifications for your home network. The SBG6400 firewall protects your
wireless LAN from hackers and other unwanted attacks or intrusions from the Internet. Firewall
protection also provides the following benefits:
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Advanced, integrated stateful-inspection firewall supporting intrusion detection, session
tracking, and denial-of-service attack prevention.
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Maintains state data for every TCP/IP session on the OSI network and transport layers.
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Monitors all incoming and outgoing packets and applies the firewall policy to each one; also,
screens for improper packets and intrusion attempts.
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Generates comprehensive notifications for the following:
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User authentications
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Rejected internal and external connection requests
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Session creation and termination
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Outside attacks (intrusion detection)
Protection Level
The Firewall Protection Level screen has various settings related to blocking or exclusively
allowing different types of data through the SBG6400 from the WAN to the LAN. There are three
firewall protection security levels which correspond to the number of services are allowed:
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Off - No security, highest risk
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Low - Common security, higher risk
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Medium - Safer configuration, modest risk
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High - Safest configuration, highest security
Firewall protection enables the Stateful Packet Inspection (SPI) firewall features. Block
Fragmented IP packets prevent all fragmented IP packets from passing through the firewall. Port
Scan Detection detects and blocks port scan activity originating on both the LAN and WAN. IP
Flood Detection detects and blocks packet floods originating on both the LAN and WAN.
You can block Java Applets, Cookies, ActiveX controls, pop up windows, and Proxies.