Page 51 / 111
Scroll up to view Page 46 - 50
A-LINK WNAP4G
User Manual
51
A virtual server is defined as a
Service Port
, and all requests to this port will be
redirected to the computer specified by the
Server IP.
Virtual Server
can work with
Scheduling Rules
, and give user more flexibility on Access control. For the details,
please refer to
Scheduling Rule
.
For example, if you have an FTP server (port 21) at 192.168.123.1, a Web server
(port 80) at 192.168.123.2, and a VPN server at 192.168.123.6, then you need to
specify the following virtual server mapping table:
Click on “Save” to store your settings or click “Undo” to give up the changes.
Page 52 / 111
A-LINK WNAP4G
User Manual
52
3.2.2 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.
3.
Enable:
Check the checkbox to activate each of rule.
4.
Use Rule#:
you can set a schedule rule for each of rule.
This device provides some predefined settings. Select your application and click
“
Copy
to”
to add the predefined setting to your list.
Click on “Save” to store your settings or click “Undo” to give up the cha
nges.
Page 53 / 111
A-LINK WNAP4G
User Manual
53
3.2.3 Loopback
With NAT Loopback enabled, you can access to the device using its WAN IP
Address or domain name from the LAN side, just like you are accessing it from the
internet. This function is helpful when there are some virtual servers operated under
this device, and you can easily access to these servers no matter where you are.
3.2.4 DMZ
1.
DMZ Settings
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.
Click on “Save” to store your settings or click “Undo” to give up the changes.
Page 54 / 111
A-LINK WNAP4G
User Manual
54
3.3
Routing
3.3.1 Static Routing
If you have more than one routers and subnets, you will need to enable routing
table to allow packets to find proper routing path and allow different subnets to
communicate with each other. The routing table allows you to determine which
physical interface addresses are utilized for outgoing IP data grams.
Static Routing
: For static routing, you can specify up to 8 routing rules. You can
enter the
destination IP address
,
subnet mask
,
gateway
, and
hop
for each
routing rule, and then enable or disable the rule by checking or un-checking the
Enable checkbox
Page 55 / 111
A-LINK WNAP4G
User Manual
55
3.3.2 Dynamic Routing
Dynamic Routing: Routing Information Protocol (RIP) will exchange information
about destinations for computing routes throughout the network. Please select
RIPv2 only if you have different subnets in your network. Otherwise, please select
RIPv1 if you need this protocol.
3.4
Client/Server/Proxy
DHCP Server:
The settings include Host IP, Subnet Mask, Gateway, DNS, and
WINS configurations.
19216811.live