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Page 46 / 75 Scroll up to view Page 41 - 45
Conceptronic C300BRS4
User Manual
46
Use the Router for DHCP
To use the built-in DHCP server, click to select the
DHCP Server
option if it is not already selected.
The IP Address Pool settings can be adjusted. The
Starting IP Address
is the lowest available IP
address. If you change the IP address of the Router this will change automatically to be 1 more that
the IP address of the Router.
The
Ending IP Address
is the highest IP address number in the pool. Select the desired
Lease Time
from the drop-down menu. This is the amount of time that a workstation is allowed to reserve an IP
address in the pool if the workstation is disconnected from the network or powered off.
Disable the DHCP Server
To disable DHCP, click the Disabled
DHCP Server
radio button and then click the
Apply
button.
Choosing this option requires that workstations on the local network must be configured manually or
use another DHCP server to obtain IP settings.
If you configure IP settings manually, make sure to use IP addresses in the subnet of the Router. You
will need to use the Router’s IP address as the Default Gateway for the workstation in order to
provide Internet access.
Page 47 / 75
Conceptronic C300BRS4
User Manual
47
Menu - Advanced
The Advanced folder contains main windows for Virtual Server, Special Applications, Firewall Rules,
DMZ, IP Filters, MAC Filters, URL Blocking, Domain Blocking, Wireless Performance, and Dynamic
DNS.
ADVANCED – VIRTUAL SERVER
Use this window to set up forwarding rules applied to inbound (WAN-to-LAN) traffic. The Virtual
Server function allows remote users to access services on your LAN such as FTP for file transfers or
SMTP and POP3 for e-mail. The Wireless Broadband Router will accept remote requests for these
services at your Global IP Address, using the specified TCP or UDP protocol and port number, and
then redirect these requests to the server on your LAN with the LAN IP address you specify.
Remember that the specified Private IP Address must be within the useable range of the subnet
occupied by the Router.
UDP/TCP port redirection is used to direct inbound traffic to the specified servers or workstations
on your private network. Port redirection can also be used to direct potentially hazardous packets
to a proxy server outside your firewall. For example, you can configure the Router to direct HTTP
packets to a designated HTTP server in the DMZ. You can define a set of instructions for a specific
incoming port or for a range of incoming ports. Each set of instructions or rule is indexed and can be
modified or deleted later as needed.
Below you will find a list of some common used ports and their corresponding application:
Port
Application
Port
Application
20
FTP Data (FTP Server)
21
FTP (FTP Server)
22
SSH (Secure Shell)
23
Telnet
25
SMTP (Mail Server – Outgoing)
80
HTTP (Web Server)
110
POP3 (Mail Server – Incoming)
2000
Remotely Anywhere
5800
VNC
5900
VNC
For more ports and their corresponding applications, see: http://portforward.com/cports.htm
Note:
When you are using an application which supports UPnP Port Mapping, the router can be
automatically configured by the application when needed. In that case, you don’t need to
setup your port mappings manually.
Note:
When using Virtual Server rules, it is advised to configure the computer(s) with a Fixed IP
Address instead of a Dynamic IP Address.
Note:
In the next picture you will see an example of a Virtual Server configuration.
Page 48 / 75
Conceptronic C300BRS4
User Manual
48
Virtual Server window
1.
Set the Virtual Server rule to “
Enabled
”.
2.
Enter a name for your Virtual Server Rule in the “
Name
” field.
3.
Enter the IP Address of your computer/server which needs the Virtual Server rule.
4.
Select the Protocol for your Virtual Server rule: “
TCP
”, “
UDP
” or “
Both
”.
Note:
If you do not know which protocol you need for your Virtual Server Rule, select “
Both
”. This
option will pass both TCP and UDP traffic to the configured IP Address of your
computer/server.
5.
Enter the desired Port of your computer/server which needs the Virtual Server rule.
6.
Enter the port which must be visible on the outside of your internet connection.
7.
Click “
Apply
” to apply the created Virtual Server rule.
When the Virtual Server rule is saved, it will be shown in the “
Virtual Server List
”.
To create more Virtual Server rules, repeat step
1 - 7.
Page 49 / 75
Conceptronic C300BRS4
User Manual
49
ADVANCED - APPLICATIONS
Use this window to run special applications that require multiple connections. To use the Special
Applications feature, enter the requested information for your application and click the
Apply
button.
Special Application window
To configure a new application triggered port forwarding rule, follow these steps:
1.
Click on the Enabled option for
Special Application
.
2.
Type a
Name
for the rule being created.
3.
Type the
Trigger Port
or port range used for the rule.
4.
Select the
Trigger Type
used for the rule, TCP, UDP or Both.
5.
Type the
Public Port
number normally used for the application.
6.
Select the
Public Type
used for the rule, TCP, UDP or Both.
7.
Choose an available
Schedule
for the rule to be applied. Schedules can be created using the
Schedule
menu in the
Tools
directory.
8.
Click the
Apply
button to put the rule into effect. The newly created forwarding rule appears
listed in the
Special Applications List
.
To modify an existing rule, click on the notepad icon in the last column of the Special Applications
List. To remove a rule, click the
X
to delete it.
Page 50 / 75
Conceptronic C300BRS4
User Manual
50
ADVANCED - FIREWALL
This window allows the user to allow or deny traffic from passing through the Wireless Broadband
Router. Once you have completed your Firewall settings, click
Apply
to save your changes.
Firewall Rules window
Configure the filter rules as desired and click the
Apply
button to create the rule. The newly
created rule appears listed in the Firewall Rule List.
To configure a new application triggered port forwarding rule, follow these steps:
1.
Click on the Enabled option for
Firewall Rules
.
2.
Type a
Name
for the rule being created.
3.
Choose the
Action
to be applied, Allow or Deny (block) the traffic to pass through.
4.
For the
Source
interface of the traffic, choose LAN, WAN or Any and type an IP address range
to which to action specified in the rule.
5.
For the
Destination
interface of the traffic, choose LAN, WAN or Any and type an IP address
range to which to action specified in the rule. There is an option to specify the protocol, Any,
TCP, UDP or ICMP. For TCP and UDP traffic, a port or port range must be specified.
6.
Choose an available
Schedule
for the rule to be applied. Schedules can be created using the
Schedule
menu in the
Tools
directory.
7.
Click the
Apply
button to put the rule into effect. The newly created forwarding rule appears
listed in the
Firewall Rules List
.
To modify an existing rule, click on the notepad icon in the last column of the Firewall Rules List.
To remove a rule, click the
X
to delete it.

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