User`s guide

Vigor2820 Series User’s Guide
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Protocol Specify the transport layer protocol. It could be TCP, UDP, or ALL
for selection.
WAN Interface Specify the WAN interface that will be used for this entry.
WAN IP Select an IP address (the selections provided here are set in IP Alias
List of Network >>WAN interface). Local host can use this IP to
connect to Internet.
If you want to choose any on of the Public IP settings, you must
specify some IP addresses in the IP Alias List of the Static/DHCP
Configuration page first. If you did not type in any IP address in the
IP Alias List, the Public IP setting will be empty in this field. When
you click Apply, a message will appear to inform you.
Private IP Assign an IP address (e.g., 192.168.1.10) or a subnet to be compared
with the Public IP address for incoming packets.
Subnet Mask Select a value of subnet mask for private IP address.
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Port Trigger is a variation of open ports function; the difference is that the port trigger has the
dynamic characteristics. It is more secure comparing to open ports.
In Open Ports setting, once we setup the ports be opened, all traffic can go through these open
ports into LAN device; with Port Trigger function, the ports will be opened only when specific
application triggers the specific ports, and then the needed ports will be opened automatically.
Comment Display the text which memorizes the application of this rule.
Trigger Protocol Display the protocol of the trigger packets.
Trigger Port Display the port of the trigger packets.
Incoming Protocol Display the protocol for the incoming data of such trigger profile.
Incoming Port Display the port for the incoming data of such trigger profile.