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●
Lease Time
: Remaining time for the corresponding IP address lease.
Chapter 7 Virtual Server
7.1 Port Forwarding
●
Start/End Port
: Enter the service port range provided by the mapped
host in internal network.
●
LAN IP
: The IP address of the computer which is used as a server in
LAN.
●
Protocol
: Includes TCP, UDP and Both. Select “Both” when you are not
sure about which protocol to use.
●
Enable
: Check the “Enable” option to activate the corresponding rule.
●
Delete
: Check the “Delete” option to delete the cor
responding rule.
For example
:
You want to share some large files with your friends who are not in
your LAN; however it is not convenient to transfer such large files. Then,
you can set up your own PC as a FTP server and use the port range
forwarding feature to let your friends access these files. Provided that the
static IP address of the FTP server (Namely, your PC) is
192.168.1.10 and
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you want your friends to access this FTP server through default port 21
and TCP protocol, then you can follow the steps below for configurations.
1. Enter 21 for both the start and end port in ID 1, or select "FTP" from
“Well
-
Known Service Port” and port 21 will be added automatically to ID 1.
2. Enter
192.168.1.10 for the "IP Address", select "TCP" and then
select "Enable'.
3. The screenshot below displays the above settings.
4. Click "OK".
browsers to access your FTP server. xxx.xxx.xxx.xxx is the device's WAN
IP address. For example, if it is 172.16.102.89, then your friends only need
Note:
If you include port 80 on this section, you must set the port on remote
(web-based) management section to a different number than 80, such as 8080,
otherwise the virtual server feature may not take effect.
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7.2 DMZ
In some cases, we need to set a computer to be completely exposed
to extranet for implementation of a 2-way communication. To do so, we set
it as a DMZ host.
●
DMZ Host IP Address
: Enter the IP address of a LAN computer which
you want to set to a DMZ host.
●
Enable
: Check/uncheck to enable/disable the DMZ host.
For example
: You can set a LAN computer at the IP address of
192.168.1.10 as a DMZ Host to intercommunicate with another host on the
Internet.
Note:
If you set a PC to a DMZ host, it will be completely exposed to extranet
and gains no more protection from the device firewall.
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7.3 UPnP
UPnP (Universal Plug and Play) allows a network device to discover
and connect to other devices on the network. With this feature enabled,
hosts in LAN can request the device to perform special port forwarding so
as to enable external hosts to access resources on internal hosts.
●
Enable UPnP
: Check/uncheck to enable/disable the UPnP feature.
Note:
UPnP works in Windows XP, Windows ME or later (NOTE: Operational
system needs to be integrated with or installed with Directx 9.0) or in an
environment with installed application software that supports UPnP
.
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Chapter 8 Security Settings
8.1 IP Address Filtering
To better manage the computers in LAN, you can regulate LAN
computers’ access to certain ports on Internet using Client Filter
functionality.
●
Filter Mode
: Select Forbid only or Permit only according to your own
needs.
●
Access Policy
: Select a number (indicating a filter rule) from the
drop-down menu.
●
Remark
: Enter a meaningful name to yourself for a new filter rule.
●
Start /End IP Address
: Enter a starting/ending IP address.
●
Port
: Enter TCP/UDP protocol port number (s); it can be a range of ports
or a single port.
●
Type
: Select a protocol or protocols for the traffic (TCP/UDP/Both).
●
Time
: Select a time range for the rule to take effect.
●
Day
: Select a day or several days for the rule to take effect.
●
Enable
: Check to enable or uncheck to disable a corresponding filter
rule (allow/disallow matched packets to pass through router).
Example 1
: To prohibit PCs within the IP address range of
192.168.1.100
--
192.168.1.120 from accessing Internet from Monday to Friday, do as
19216811.live