Cisco Systems EPC3827, DPC3827, 4039760 Select the Firewall tab to open the Security Firewall page

How Do I Configure My DOCSIS Residential Gateway?

Select the Firewall tab to open the Security Firewall page.

Use the descriptions and instructions in the following table to configure the firewall for your residential gateway. After you make your selections, click Save Settings to apply your changes or Cancel Changes to cancel.

Section	Field Description
Firewall	SPI Firewall Protection
	SPI Firewall Protection blocks Denial of Service (DoS) attacks. A DoS
	attack does not attempt to steal data or damage your computers, but
	it overloads your Internet connection so you cannot use it.
	Select the desired option:





Enable (factory default)

Disable

Filters	Filter Proxy
	Enables/disables filter proxy. If local users have access to WAN
	proxy servers, they may be able to circumvent the content filters and
	access Internet sites blocked by the device. If you select the Filter
	Proxy feature, it will block access to any WAN proxy servers.

Block Pop-Up Windows

Enables/disables popup windows. Some commonly used applications employ popup windows as part of the application. If you disable popup windows, it may interfere with some of these applications.

Block Web Page Cookies

Enables/disables cookie blocking. This feature filters the unsolicited delivery of cookies to devices from the Internet to devices in your private local network. Cookies are computer files that contain personal information or web surfing behavior data.

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