Gateway DPC3925, EPC3925 important safety instructions Configure Security, Security Firewall

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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

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

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Contents Important Safety Instructions This DocumentImportant Safety Instructions Mitteilung für CATV-Techniker Aviso a los instaladores de sistemas CatvPower Source Warning Ground the ProductVerify the Power Source from the On/Off Power Light Protect the Product from LightningCheck Product Safety Protect the Product When Moving ItTelephone Equipment Notice Declaration of Conformity Canada EMI RegulationDynamic Frequency Selection DFS Dual Band Frequencies Radiation Exposure Statements CanadaAustralia CE Compliance National Restrictions France Italy LatviaAntennas Benefits and Features IntroductionIntroduction Whats In the Carton? Front Panel Description Back Panel Description Back Panel Description Minimum System Requirements for Macintosh What Are the System Requirements for Internet Service?Minimum System Requirements for a PC System Requirements for an Ethernet ConnectionDo Not Have a High-Speed Internet Access Account Already Have an Existing High-Speed Internet Access Account Want to Use the Application Server for Telephone ServiceRev a How Do I Mount the Modem on a Wall? Optional Before You BeginLocation and Dimensions of the Wall-Mounting Slots Mounting the Residential Gateway on a Wall Number of Telephone Devices What Are the Requirements for Telephone Service?Telephone Wiring Requirements Telephone Device TypesConnecting and Installing Internet Devices To connect devicesRev a Rev a How Do I Configure My Docsis Residential Gateway? Logging in to the Gateway for the First TimeHow Do I Configure My Docsis Residential Gateway? Setup Quick Setup Configuring Quick Settings Wlan Setup Lan Setup Configuring Your Network SettingsLAN  Pre-assigned Dhcp IP Addresses Dhcp Connected Devices Summary Starting IP AddressSetup Ddns Disabling Ddns Factory Default Settings DdnsConfigure Wireless Settings Wireless Basic SettingsWi-Fi Protected Setup WPS Section Field Description Basic Settings Wi-Fi Protected Setup ConfigurationWPS Push Button Setup Option WPS Setup Using the Gateway PIN Option Network Mode Section Field Description Basic Settings Wireless NetworkWireless Configuration Only, B/G Mixed, B/G/N Mixed factory defaultBssid Wireless Wireless SecuritySection Field Description Wireless Network Name Ssid Broadcast SsidWEP Wireless Security Page DescriptionSection Field Description Wireless Wireless Security Mode Field DescriptionsWPA Security for Personal Networks WPA or WPA2 Personal ModesConfigure Wireless Settings Wireless MAC Filter Wireless MAC Filter Page DescriptionWireless Advanced Settings Section Field Description Access Access RestrictionMAC Address Filter List Wireless Advanced Settings Page Description CTS Protection Mode Beacon IntervalSection Field Description Dtim Interval Fragmentation ThresholdRTS Threshold Wireless WDS Settings Wireless WDS Settings Page DescriptionWDS Wireless QoS Wireless QoS Page DescriptionDisable Enable Section Field Description No ACKConfigure Security Security FirewallSection Field Description Firewall SPI Firewall Protection Block Pop-Up Windows Block IP Flood Detection checked factory defaultSection Field Description Filters Filter Proxy Block Web Page CookiesVPN Disable Pptp PassthroughSecurity VPN Passthrough IPSec PassthroughSecurity VPN Security VPN Tunnel Page Description Section Field Description Remote FqdnKey Management Key Exchange Method Section Field Description Key Auto IKEManual Section Field Description Status Advanced SettingsPhase 1 Operation Mode Connected or DisconnectedView Log Control Access to the Gateway Access Restrictions IP Address FilteringAccess Restrictions MAC Address Filtering Function Keys Access Restrictions Basic Rules Remove Rule Parental Control check box and click ApplyAdd Rule Keyword ListRe-Enter Password Block Access to WebsitesSection Field Description Override the Password Access DurationAccess Restrictions Time of Day Rules Access Restrictions Time of Day Rules Page DescriptionAccess Restrictions User Setup Access Restrictions User Setup Page Description Access Restrictions Local Log Section Field Description Inactivity TimeApplications & Gaming Port Filtering Configure Applications and GamingOverview Applications and Gaming Port Filtering Page DescriptionApplications & Gaming Port Range Forwarding TCPUDP End Applications and Gaming Port Range Forward Page DescriptionSection Field Description Port Range Forwarding Start IP AddressApplications & Gaming Port Range Triggering Forwarded Range Start PortApplications & Gaming DMZ Section Field Description End PortDMZ Hosting Applications and Gaming DMZ Page DescriptionDMZ Select the desired optionAdministration Management Administration Management Page DescriptionManage the Gateway WAN MTU UPnP Field Description Remote Access Remote ManagementManagement Port IgmpSmtp Mail Server Administration ReportingSection Field Description Reporting Mail Alerts Mail Address for Alert LogsView Log Administration Diagnostics Administration Backup & Restore Administration Factory Defaults Restore Factory DefaultsMAC Address CM MAC Address Monitor Gateway StatusStatus Gateway Current TimeDNS1-3 Status Local NetworkSection Field Description Internet Connection IP Address WinsEnd IP Address Status Wireless Wide Channel Status Wireless Page DescriptionNetwork Name Ssid SecurityStatus Docsis WAN Docsis WAN Page DescriptionMonitor Gateway Status Frequently Asked Questions How Do I Configure TCP/IP Protocol?How Do I Renew the IP Address on My PC? How do I arrange for installation? Renewing the IP Address on Windows NT, 2000, or XP SystemsWhat if I dont subscribe to cable TV? How does the residential gateway connect to my computer? Common Troubleshooting IssuesDont understand the front panel status indicators Can I watch TV and surf the Internet at the same time?Tips for Improved Performance Check and CorrectFront Panel LED Status Indicator Functions Step100 Rev a Normal Operations AC Power applied Front Panel LED Status Indicators During Normal ConditionsFront Panel LED Status Indicators During Special Conditions Special ConditionsDocumentation Copyright Notice TrademarksDisclaimer Software and Firmware UseIf You Have Questions Customer ServiceFor Information Region Assistance Centers Telephone and Fax Numbers

DPC3925, EPC3925 specifications

The Gateway EPC3925 and DPC3925 are powerful wireless gateway devices that provide high-speed internet access and advanced networking features. Designed primarily for residential and small business environments, these devices offer a combination of ease of use, reliability, and performance that makes them a popular choice among users.

One of the main features of the Gateway EPC3925 and DPC3925 is their support for DOCSIS 3.0 technology. This enables the devices to deliver high-speed internet connectivity by allowing multiple channels to be bonded together, significantly increasing download and upload speeds compared to previous DOCSIS standards. DOCSIS 3.0 can support speeds of up to 1 Gbps, making it suitable for bandwidth-intensive applications like streaming HD videos, online gaming, and large file downloads.

Both models are equipped with a built-in Wireless-N (802.11n) router, which allows users to create a wireless network in their home or office easily. This standard provides a stable connection with improved range and speed compared to older wireless standards. Additionally, users can connect multiple devices, such as smartphones, tablets, laptops, and smart TVs, without experiencing significant drops in performance.

Security is a critical aspect of the Gateway EPC3925 and DPC3925. These devices come equipped with several security features to protect the network from unauthorized access. The devices support WPA/WPA2 encryption protocols, ensuring that wireless transmissions are secure. Moreover, they offer features such as a firewall and DMZ settings, which provide additional layers of protection for users’ data.

Another noteworthy characteristic of the EPC3925 and DPC3925 is their user-friendly interface. The web-based management console allows users to easily configure settings, manage connected devices, and monitor network performance. This intuitive interface makes it accessible for users with varying levels of technical expertise.

The Gateway EPC3925 and DPC3925 are also compatible with multiple ISPs, making them versatile options for customers looking for reliable internet connectivity solutions. Their compact design allows for easy placement in various locations, ensuring that users can integrate them seamlessly into their existing setups.

In summary, the Gateway EPC3925 and DPC3925 provide a robust solution for those looking for high-speed internet access combined with advanced networking features. With their DOCSIS 3.0 support, Wireless-N capabilities, and comprehensive security measures, these gateways are designed to meet the demands of modern internet usage, making them ideal for both home and small office environments.
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