Network Router User Manual

4025083 Rev A 37

How Do I Configure My DOCSIS Residential Gateway?

Section

Field Description

Block Java and ActiveX Scripts

Enables/disables java applets and ActiveX scripts. This feature

helps to protect the devices in your private network from irritating

or malicious Java applets that are sent, unsolicited, to devices in

your private network from the Internet. These applets run

automatically when they are received by a PC.

Java is a programming language for websites. If you select the Filter

Java Applets feature, you may not have access to Internet sites

created using this programming language.

This feature also helps to protect the devices in your private

network from irritating or malicious ActiveX controls that are sent,

unsolicited, to devices in your private network from the Internet.

These ActiveX controls run automatically when they are received by

a PC.

Block fragmented IP packets

Enables/disables filtering of fragmented IP packets. This feature

helps protect your private local network from Internet based denial

of service attacks.

Block Port Scan Detection

Enables/disables the gateway from responding to Internet based

port scans. This feature is designed to protect your private local

network from Internet based hackers who attempt to gain

unsolicited access to your network by detecting open IP ports on

your gateway.

Block IP Flood Detection

Blocks malicious devices that are attempting to flood devices or

networks with illegal broadcast packets. Also referred to as

―broadcast storm.‖

Block WAN

Requests

Block Anonymous Internet Requests

Enable this feature to keep your network from being "pinged" or

detected by other Internet users. The Block Anonymous Internet

Requests feature also hides your network ports. Both make it more

difficult for outside users to enter your network.