User guide

Ubee Interactive Using the Advanced Gateway Setup Forwarding Option
Ubee DVW3201B Advanced Wireless Voice Gateway Subscriber User Guide • May 2012 47
For example, to prevent all Telnet access into and across your LAN, you would enter the
Start and End ports to be 23, select Both for Protocol, and click the Enabled selection
box.
Be careful using port filtering by port range as you may accidentally prevent traffic that
should pass through your network (for example, http or email). To see what applications
use each port, refer to Using the Advanced Gateway Setup Forwarding Option on page 47
and click the Port Map button.
Steps
To configure port filters:
1. Click the Gateway link from the top of the screen.
2. Click Port Filtering from the left side of the screen. The Port Filtering fields are
explained following this screen example.
5.10 Using the Advanced Gateway Setup Forwarding Option
Port forwarding settings may be needed to resolve issues when data is sent from a local
host to the Internet, but the return path of expected data is not received by your local
host. Or, you have an application or service running on your local network (on local host)
Label Description
Start Port Defines the starting port number
End Port Defines the ending port number.
Protocol Selects the protocol type. Options are UDP, TCP, or BOTH.
Enabled Activates the rule and filters out all traffic on the specified
ports.
Apply Saves all screen changes when clicked.