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The Private port is used for multi-computers, which might use the same service.
For example, if you setup three Web server(80) in your LAN, which are 192.168.123.7,
192.168.123.10, and 192.168.123.77. You can assign different public port to different IP. The public
port can be set at any port. But please must avoid the confliction. And anyone who would like to
connect must be aware of the port difference.
Public Port
Private
Server IP
Enable
777
80
192.168.123.7
V
888
80
192.168.123.10
V
999
80
192.168.123.77
V
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4.5.2 Special AP
Some applications require multiple connections, like Internet games, Video conferencing, Internet
telephony, etc. Because of the firewall function, these applications cannot work with a pure NAT router.
The
Special Applications
feature allows some of these applications to work with this product. If the
mechanism of Special Applications fails to make an application work, try setting your computer as the
DMZ
host instead.
1.
Trigger
: the outbound port number issued by the application..
2.
Incoming Ports
: when the trigger packet is detected, the inbound packets sent to the specified
port numbers are allowed to pass through the firewall.
This product provides some predefined settings Select your application and click
Copy
to
to add the
predefined setting to your list.
Note! At any given time, only one PC can use each Special Application tunnel.
Check
“Enable”
to activate the setting.
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4.5.3 Miscellaneous Items
IP Address of DMZ Host
DMZ (DeMilitarized Zone) Host is a host without the protection of firewall. It allows a computer to be
exposed to unrestricted 2-way communication for Internet games, Video conferencing, Internet
telephony and other special applications.
NOTE: This feature should be used only when needed.
Non-standard FTP port
You have to configure this item if you want to access an FTP server whose port number is not 21. This
setting will be lost after rebooting.
UPnP Setting
Enable or disable the UPnP function of WBR-5400
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4.6.1 Packet Filter
Packet Filter enables you to control what packets are allowed to pass the router. Outbound filter applies
on all outbound packets. However, Inbound filter applies on packets that destined to Virtual Servers or
DMZ host only. You can select one of the two filtering policies:
1.
Allow all to pass except those match the specified rules
2.
Deny all to pass except those match the specified rules
You can specify 8 rules for each direction: inbound or outbound. For each rule, you can define the
following:
•
Source IP address
•
Source port address
•
Destination IP address
•
Destination port address
•
Protocol: TCP or UDP or both.
•
Use Rule#
For source or destination IP address, you can define a single IP address (4.3.2.1) or a range of IP