Technicolor TC8305C Router Manual PDF (Setup & Configuration Guide)

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Your service is now listed in the

Port Forwarding

table. All incoming requests for the selected service will now be directed

to the selected device. The Gateway will also configure its firewall to allow this service.

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6.1.3 Port triggering

Introduction

Port triggering allows you to define a set of dynamic port forwarding rules that will be activated as soon as a device sends

traffic to the Internet over a specific port(s), the

trigger port(s)

.

The difference compared to the port forwarding function described in

“6.1.2 Port forwarding” on page 47

is that:



Port triggering rules will only be activated if a local device is sending traffic over one of the trigger ports. So there must be

outbound traffic first.



Port triggering rules forward the traffic to any device that has initiated the communication while port forwarding forward

a fixed IP.



Port triggering rules allow you to translate the port numbers. This means that the incoming port can differ from the target

port.

Procedure

1

Browse to the Admin Tool.

For more information, see

“Accessing the Admin Tool” on page 25

.

2

On the

Advanced

menu, click

Port Triggering

.

3

The

Port Triggering

page appears.

In the

Enable Port Forwarding

list, click

Enabled

. In the

Port Triggering

table, click

+ADD PORT TRIGGER

.

4

The

Add Port Trigger

page appears.

Complete the following fields:



In the

Service Name

box, type a name for the rule (for example, FTP).



In the

Service Type

list, click on the protocol that is used (for example, TCP).



In the

Trigger Port From

box, type the start port number of the trigger port range.



In the

Trigger Port To

box, type the end port number of the trigger port range. If you only want to specify one port,

use the same number as in the

Trigger Port From

box.



In the

Target Port From

box, type the start port number of the target port range.



In the

Target Port To

box, type the end port number of the target port range. If you only want to specify one port, use

the same number as in the

Target Port From

box.

5

Click

ADD

.

6

Your service is now listed in the

Port Triggering

table. All incoming requests for the selected service will now be directed

to the selected device. The Gateway will also configure its firewall to allow this service.

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6.1.4 Configure a DMZ Host

Introduction

The Gateway allows you to configure one local device as a De-Militarized Zone (DMZ) host. This means that:



None of the Gateway firewall rules will be applied to this device.



All traffic originating from the Internet will be forwarded to this devices unless there is a port forwarding rule defined for

this type of traffic. Port forwarding rules always have higher priority.

Use a reserved IP address for the DMZ host

Make sure that your DMZ host uses a fixed IP address. If you do not do this, the device might get a new IP address after

some time and the port forwarding rule will no longer be applied to the device and another device may suddenly be acting as

DMZ host. For more information, see

6.2 Assigning a reserved IP to a device

.

How to configure a device as DMZ host

1

Browse to the Admin Tool.

For more information, see

“Accessing the Admin Tool” on page 25

.

2

On the

Advanced

menu, click

DMZ

.

3

The

DMZ

page appears:

Complete the following fields:



In the

Enable DMZ

list, click

Enabled

.



In the

DMZ Host

box, type the IP address of the device.

4

Click

SAVE

.

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6.2 Assigning a reserved IP to a device

Introduction

By default, each device will get an IP address from the Gateway’s DHCP server. When a device leaves, is turned off or the

lease time of the address has expired, the IP address becomes available and can be re-used for other devices.

When you want to run a service on a network device (for example, a web server, network printer, etc.), it is advised to assign

a reserved IP to the device. This way, the device will always be reachable on the same address and there is no risk that you are

accessing the wrong device.

How to assign a reserved IP

Proceed as follows to do so:

1

Browse to the Admin Tool.

For more information, see

“Accessing the Admin Tool” on page 25

.

2

On the left menu, click

Connected Devices

.

3

The

Devices

page appears. If:



Your device is already listed in one of the tables, proceed as follows:

1

Click

Edit

.

2

The

Edit Device

page appears.

3

In the

Configuration

list, click

Reserved IP

.

4

If needed, change the value in the

Reserved IP Address

box.



Your device is not listed, proceed as follows:

1

On the

Device

, click

ADD DEVICE WITH RESERVED IP

.

2

The

Add Device

page appears.

3

Enter the settings of your choice.

4

Click

Save

.

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