NETGEAR CG3000Dv2 user manual Port Blocking, Port Forwarding,  To configure port blocking

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NETGEAR DOCSIS 3.0 N450 Wi-Fi Data Gateway

Port Blocking

You can use port blocking to block outbound traffic on specific ports. Outbound traffic rules control access to outside resources from local users. The default rule is to allow all access from the LAN side to the outside. You can use port blocking to add predefined or custom rules to specify exceptions to the default rule.

Note: The default rule allows any outbound traffic not blocked by rules that you create.

To configure port blocking:

1.In the main menu, under Advanced, select Port Blocking.

2.From the Service list, select the service you want to block.

3.To add a custom service that is not in the list of services, specify these settings in the Add Custom Service table:

Name. A name for the service.

Start Port. The start port for the service.

End Port. The end port for the service.

Protocol. The protocol for the ports:

-TCP. TCP only.

-UDP. UDP only.

-Both. Both TCP and UDP.

Local IP Address. Complete the local IP address for the computer that is using the service.

4.Perform one of the following actions:

Click Add to save your settings. The Active Filters table now displays the list of ports that are currently blocked.

To delete a service, select the radio button in the Active Filters table for the service that you want to delete, and click Delete.

To reset the selection in the Services drop-down list and to clear all the fields in the Add Custom Service table, click Reset.

Port Forwarding

A firewall has default rules for inbound traffic (WAN to LAN) and for outbound traffic. Port forwarding affects the inbound rules. These rules restrict access from outsiders. By default,

Advanced Settings

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Contents USA August 2013 East Plumeria Drive San Jose, CARevision History Contents Appendix a Supplemental Information Connecting to the Internet Description Gateway Front PanelSecurity, see the Use Push N Connect WPS Wireless Setup on Gateway rear panel Gateway Rear PanelLabel Wireless Performance and Gateway Location To log in to the gateway Log In to Your Gateway To view or configure basic settings View Basic SettingsConfiguring Your Wireless Network  To view or configure the wireless settings Set Up Your Wireless NetworkNetgear Docsis 3.0 N450 Wi-Fi Data Gateway Use Push N Connect WPS Wireless Setup Netgear Docsis 3.0 N450 Wi-Fi Data Gateway  To add a wireless device to your gateway using a PIN Add a Client Using a PIN To set up Wi-Fi Multimedia Set Up Wi-Fi Multimedia To change the password Change the PasswordPage Filtering Content  To receive notification of attacks by email View Denial of Service DoS Attack LogsLimit Internet Site Access  To block access to sites containing certain wordsClick Remove Keyword  To block access to certain domains Disable Gateway Features Allow Unrestricted Access To disable specific web features  To disable specific NAT ALG Status featuresFeature Description Netgear Docsis 3.0 N450 Wi-Fi Data Gateway Maintaining Your Network View the Gateway Status  To view the gateway statusModem field Description Back Up and Restore Your Settings  To view the gateway’s initialization procedureView the Connection Status  To back up the settings  To restore the backup settingsView the Event Log Run the Diagnostic Utilities  To view the event log To run a ping test Click Start Test  To run a traceroute test Traceroute UtilityAdvanced Settings Advanced Wireless Settings  To configure advanced wireless settingsAdvanced Wireless Settings Description MAC Filtering  To remove a computer from the list  To stop blocking a computer To set up IP filtering IP Filtering To delete a device from the IP Filter List  To configure port blocking Port BlockingPort Forwarding Netgear Docsis 3.0 N450 Wi-Fi Data Gateway Port Triggering  To configure port triggering To set up a DMZ host DMZ HostSelect the Respond to Ping on WAN Port check box  To configure LAN IP settings LAN IP SetupClick Delete LAN SwitchReserve an IP Address for Dhcp Use  To reserve an IP address for Dhcp To configure UPnP Configure Universal Plug and Play UPnP To configure the switch ports  To disable a LAN portSet Networking Protocols  To enable NTP To remove a USB device Enable Network Address Translation To disable NAT Remove USB DevicesSee Troubleshoot a TCP/IP Network Using a Ping Utility on TroubleshootingBasic Functions Connect to the Gateway’s Main MenuLED Behavior Action Troubleshoot the ISP Connection Troubleshoot a TCP/IP Network Using a Ping UtilityPing Test the LAN Path to Your GatewayNetgear Docsis 3.0 N450 Wi-Fi Data Gateway Supplemental Information Feature Parameter Default Factory Default SettingsComponent Specification Technical SpecificationsNetgear Docsis 3.0 N450 Wi-Fi Data Gateway Regulatory Compliance Information Notification of ComplianceFCC Caution Avertissement