User manual SCIENTIFIC ATLANTA EPC3825 8X4 DOCSIS 3.0

[. . . ] Cisco Model DPC3825 and EPC3825 8x4 DOCSIS 3. 0 Wireless Residential Gateway User Guide In This Document IMPORTANT SAFETY INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 What's In the Carton?. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Front Panel Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Back Panel Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 What Are the System Requirements for Internet Service?. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 How Do I Subscribe to High-Speed Internet Service?. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Where Is the Best Location for My DOCSIS Residential Gateway?(Optional). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 How Do I Connect My Gateway for Internet Service?. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 How Do I Configure My DOCSIS Residential Gateway? [. . . ] This provides a more reliable transmission, but it increases traffic load, which decreases performance. Select the desired option: Enable Disable (factory default) 50 4021196 Rev A Configure Security Configure Security Security > Firewall Advanced firewall technology deters hackers and protects the home network from unauthorized access. Use this page to configure a firewall that can filter out various types of unwanted traffic on the gateway's local network. 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 Firewall Field Description 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 4021196 Rev A 51 Configure Security Section Filters Field Description 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. 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. 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. 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. 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 your network by detecting open IP ports on your gateway. [. . . ] Verify that your cable service is active and that it supports two-way service. Verify that all cables are properly connected, and that you are using the correct cables. Verify that your TCP/IP is properly installed and configured if you are using the Ethernet connection. Verify that you have called your service provider and given them the serial number and MAC address of your residential gateway. [. . . ]