TP-Link TL-MR3020 Router Manual PDF (Setup & Configuration Guide)

Page 156 / 258 Scroll up to view Page 151 - 155

TL-MR3020

Portable 3G/4G Wireless N Router

To modify or delete an existing entry:

1.

Find the desired entry in the table.

2.

Click

Modify

or

Delete

as desired on the

Modify

column.

Click the

Enable/ Disable All

button to make all entries enabled/ disabled.

Click the

Delete All

button to delete all entries.

Click the

previous page.



Note:

If you set the service port of the virtual server as 80, you must set the Web management port on

Security –> Remote Management

page to be any other value except 80 such as 8080.

Otherwise there will be a conflict to disable the virtual server.

5.8.2

Port Triggering

Choose menu “

Forwarding

→

Port Triggering

”, you can view and add port triggering in the next

screen (shown in Figure 5-34). Some applications require multiple connections, like Internet

games, video conferencing, Internet telephoning and so on. Port Triggering is used for some of

these applications that cannot work with a pure NAT Router.

Figure 5-34

Port Triggering

To add a new rule, follow the steps below.

1.

Click the

Add New…

button, the next screen will pop-up as shown in Figure 5-35.

2.

Select a common application from the

Common Applications

drop-down list, then the

Trigger Port

field and the

Incoming Ports

field will be automatically filled. If the

Common

Applications

do not have the application you need, enter the

Trigger Port

and the

Incoming Ports

manually.

3.

Select the protocol used for Trigger Port from the

Trigger Protocol

drop-down list, either

TCP

,

UDP

, or

All

.

4.

Select the protocol used for Incoming Ports from the

Incoming Protocol

drop-down list,

either

TCP

or

UDP

, or

All.

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TL-MR3020

Portable 3G/4G Wireless N Router

5.

Select

Enable

in

Status

field.

6.

Click the

Save

button to save the new rule.

Figure 5-35

Add or Modify a Triggering Entry



Trigger Port

- The port for outgoing traffic. An outgoing connection using this port will

trigger this rule.



Trigger Protocol

- The protocol used for Trigger Ports, either

TCP

,

UDP

, or

All

(all

protocols supported by the Router).



Incoming Port

- The port or port range used by the remote system when it responds to

the outgoing request. A response using one of these ports will be forwarded to the PC

which triggered this rule. You can input at most 5 groups of ports (or port sections). Every

group of ports must be separated with ",", for example, 2000-2038, 2046, 2050-2051,

2085, 3010-3030.



Incoming Protocol

- The protocol used for

Incoming Port

, either

TCP

,

UDP

, or

ALL

(all

protocols supported by the Router).



Status

- The status of this entry, Enabled means the Port Triggering entry is enabled.



Modify

- To modify or delete an existing entry.



Common Applications

- Some popular applications already listed in the drop-down list of

Incoming Protocol

.

To modify or delete an existing entry:

1.

Find the desired entry in the table.

2.

Click

Modify

or

Delete

as desired on the

Modify

column.

Click the

Enable All

button to make all entries enabled.

Click the

Disable All

button to make all entries disabled.

Click the

Delete All

button to delete all entries

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TL-MR3020

Portable 3G/4G Wireless N Router

Once the Router is configured, the operation is as follows:

1.

A local host makes an outgoing connection to an external host using a destination port

number defined in the

Trigger Port

field.

2.

The Router records this connection, opens the incoming port or ports associated with this

entry in the

Port Triggering

table, and associates them with the local host.

3.

When necessary, the external host will be able to connect to the local host using one of

the ports defined in the

Incoming Ports

field.



Note:

1)

When the trigger connection is released, the corresponding opened ports will be closed.

2)

Each rule can only be used by one host on the LAN at a time. The trigger connection of

other hosts on the LAN will be refused.

3)

Incoming Ports

ranges cannot overlap each other.

5.8.3

DMZ

Choose menu “

Forwarding

→

DMZ

”, and then you can view and configure DMZ host in the

screen (shown in Figure 5-36).The DMZ host feature allows one local host to be exposed to the

Internet for a special-purpose service such as Internet gaming or videoconferencing. The

Router forwards packets of all services to the DMZ host. Any PC whose port is being forwarded

must have its DHCP client function disabled and should have a new static IP Address assigned

to it because its IP Address may be changed when using the DHCP function.

Figure 5-36

DMZ

To assign a computer or server to be a DMZ server:

1. Click the

Enable

button.

2.

Enter the IP address of a local PC that is set to be DMZ host in the

DMZ Host IP Address

field.

3. Click the

Save

button.

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TL-MR3020

Portable 3G/4G Wireless N Router

5.8.4

UPnP

Choose menu “

Forwarding

→

UPnP

”, and then you can view the information about

UPnP

in the

screen (shown in Figure 5-37). The

Universal Plug and Play (UPnP)

feature allows the

devices, such as Internet computers, to access the local host resources or devices as needed.

UPnP devices can be automatically discovered by the UPnP service application on the LAN.

Figure 5-37

UPnP Setting



Current UPnP Status -

UPnP can be enabled or disabled by clicking the

Enable

or

Disable

button. This feature is enabled by default.



Current UPnP Settings List -

This table displays the current UPnP information.



App Description

- The description about the application which initiates the UPnP

request.



External Port

- The port which the Router opened for the application.



Protocol

- The type of protocol which is opened.



Internal Port

- The port which the Router opened for local host.



IP Address

- The IP address of the local host which initiates the UPnP request.



Status

- Either Enabled or Disabled. "Enabled" means that the port is still active;

otherwise, the port is inactive.

Click the

Enable

button to enable UPnP.

Click the

Disable

button to disable UPnP.

Click the

Refresh

button to update the Current UPnP Settings List.

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TL-MR3020

Portable 3G/4G Wireless N Router

5.9 Security

Figure 5-38

The Security menu

There are four submenus under the Security menu as shown in Figure 5-38:

Basic Security

,

Advanced Security

,

Local Management

and

Remote Management.

Click any of them, and

you will be able to configure the corresponding function.

5.9.1

Basic Security

Choose menu “

Security

→

Basic Security

”, and then you can configure the basic security in

the screen as shown in Figure 5-39.

Figure 5-39

Basic Security



Firewall -

A firewall protects your network from the outside world. Here you can enable or

disable the Router’s firewall.



SPI Firewall

- SPI (Stateful Packet Inspection, also known as dynamic packet filtering)

helps to prevent cyber attacks by tracking more state per session. It validates that the

traffic passing through the session conforms to the protocol. SPI Firewall is enabled

by factory default. If you want all the computers on the LAN exposed to the outside

world, you can disable it.

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