User`s guide

SpeedStream Wireless DSL Gateway Advanced Features
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20. GRE (Generic Routing Encapsulation): A tunneling protocol that is used primarily for VPN (Virtual
Private Networks).
21. Optionally, you can type a protocol number in the "Select by Number" box.
22. Click Next.
23. Select one of the following options from the "Source Port Operator" drop-down:
• any: Any port is accepted.
• less than or equal to: Less than or equal to a numeric value in the "Port 1" box.
• equal to: Equal to the value in the "Port 1" box.
• greater than or equal to: Greater than or equal to the value in the "Port 1" box.
• range: A range of ports between the value of the entry in the "Port 1" box and the value in the
"Port 2" box.
24. Select one of the following options from the "Destination Port Operator" drop-down:
• any: Any port is accepted.
• less than or equal to: Less than or equal to a numeric value in the "Port 1" box.
• equal to: Equal to the value in the "Port 1" box.
• greater than or equal to: Greater than or equal to the value in the "Port 1" box.
• range: A range of ports between the value of the entry in the "Port 1" box and the value in the
"Port2" box.
25. Optionally, select the "Check TCP syn packets" option if you wish this rule to prevent the blocking
of synchronization packets for pre-existing sessions.
26. Click Next.
27. Click Finish.
To clone rules:
1. Click Clone IP Filter Level.
2. Select either "Low" or "High" from the "Select preconfigured firewall level for cloning" drop-down.
3. Click Apply. The system respond by copying either the high or low level hard-coded firewall options
and copying or "cloning" them for additions or modifications.
DMZ
The gateway allows you to configure a DMZ (Demilitarized Zone) to allow for either a temporary or
permanent bypassing of the firewall for network or Internet gaming. If the DMZ feature is enabled, you
must select the computer to be used as the DMZ computer/host.
To configure the DMZ:
1. Log on as the administrator or gamer.