WebSTAR DPR2320 and EPR2320 Gateway Cable Modems User’s Guide
Configuring and Enabling TCP and UDP Port Filters
Use the Setup Advanced Settings – Port Filtering page to configure and enable TCP and UDP port filters. These filters prevent a range of TCP/UDP ports from accessing the Internet. You can also prevent PCs from sending outgoing TCP/UDP traffic to the WAN on specific IP port numbers. This filter is not IP address- or MAC
If you are not familiar with the advanced settings detailed in this section, contact your cable service provider before you attempt to change any of the gateway cable modem default advanced port filtering settings.
Click Port Filtering in the Advanced Settings section of the Setup page to access the Setup Advanced Settings – Port Filtering page.
Setup Advanced Settings – Port Filtering Page Example
The following illustration is an example of the Setup Advanced Settings – Port
Filtering page.
Setup Advanced Settings – Port Filtering Page Description
Use this page to enter and enable the desired port filtering ranges and protocols in the appropriate fields and then click Apply to apply and save your new port filtering settings.
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