Motorola WR850G Router Manual PDF (Setup & Configuration Guide)

Page 66 / 93 Scroll up to view Page 61 - 65

3-32

SECTION 3, CONFIGURATION

Field

Description

DDNS Server

Select the desired DDNS service provider.

User Name

Enter the User Name (up to 30 bytes) provided

by the DDNS provider.

User Password

Enter the Password (up to 30 bytes) provided

by the DDNS provider.

User Password

Confirm

Re-enter the Password provided by the DDNS

provider.

Host Name

Enter a desired Host Name for your WAN IP

Address.

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SECTION 3, CONFIGURATION

3-33

Networking - NAT

Network Address Translation (NAT) translates multiple IP addresses

on a private LAN to one public address that is sent out to the Internet

by your ISP. This adds a level of security since the address of a PC

connected to the private LAN is never transmitted on the Internet.

A gaming Demilitarized Zone (DMZ) allows one IP address

(computer or device) to be exposed to the Internet for online game

playing or video conferencing.

To access the screen, click

Networking

>

NAT

. Click

Apply

to save

your settings or

Cancel

to cancel changes.

Field

Description

NAT

Enables or disables NAT. The default is

enabled.

Gaming DMZ

Device

Click to enable. The default is disabled.

My Gaming

Device

Enter the IP Address for your Gaming Device.

For security purposes, turn off your gaming

device when not in use so that it does not

become the target of intrusion. The default is

disabled.

TCP Session Idle

Time

The TCP Session Idle Time. The time that

elapses before it is assumed the session has

timed out. The default is 8 hours.

UDP Session Idle

Time

User Datagram Protocol. A method used along

with the IP to send data in the form of message

units (datagram) between network devices

over a LAN or WAN. Used primarily for

broadcasting messages over a network. The

default is 8 hours.

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3-34

SECTION 3, CONFIGURATION

Field

Description

ICMP Session Idle

Time

The Internet Control Message Protocol is a

protocol used for error, problem, and

informational messages sent between IP hosts

and gateways. The default is 5 minutes.

Networking - Port Trigger

When you run a PC application that accesses the Internet, it typically

initiates communications with a computer on the Internet. In some

applications, especially gaming, the computer on the Internet also

initiates communications with your PC. Because NAT does not

normally allow these incoming connections to occur, the WR850G

supports port triggering.

The WR850G is configured with port triggering for some common

applications. You can also configure additional port triggers if

needed. Configuring port triggers for an application requires a Port

Trigger entry.

To access the screen, click

Networking

>

Port Trigger

. Click

Apply

to save your settings or

Cancel

to cancel changes.

To add a Port Trigger entry:

1

Port Trigger Name

: Enter the name of the application. There is a

limit of 32 characters for the name. Click to enable if you wish it to

become active. Otherwise, you can save the information and

enable it at later date. To enable at a later date, select the entry,

check

enable

, then click

Add

.

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SECTION 3, CONFIGURATION

3-35

2

Outgoing Protocol

: From the drop down box, select either TCP or

UDP.

3

Outgoing Port

: Enter the

From

and

To

ranges (0 to 65535) for

your application.

4

Trigger Inbound Protocol

: From the drop down box, select either

TCP or UDP.

5

Incoming Port

: Enter continuous value(s) (0 to 65535), separated

by dashes, for your application. You can also enter multiple

non-continuous values, separated by semicolons.

Idle Time

: Enter the elapsed time before the Port Trigger mapping

closes for all of the listed entries.

To edit or remove

an entry, select it and then click

Edit

or

Remove

to

perform the action.

Networking - Virtual Server

The Virtual Server sets up an automatic inbound forwarding

mechanism for services running on your computer, such as web

servers, email servers, or other specialized applications. When you

use this service, it is suggested that you use Static IP and not DHCP,

because the DHCP server may change the IP address during usage.

You may use DHCP and then reserve the IP address.

The table below lists the current Port Forwarding rules. To access the

screen, click

Networking

>

Virtual Server

. Click

Apply

to save your

settings or

Cancel

to cancel changes.

Page 70 / 93

3-36

SECTION 3, CONFIGURATION

To add a Virtual Server entry:

1

Virtual Server Name

: Enter the name of the server. There is a

limit of 32 characters for the name. Click to enable if you wish it to

become active. Otherwise, you can save the information and

enable it at later date. To enable at a later date, select the entry

and then check enable.

2

Incoming Protocol

: From the drop down box, select from TCP,

UDP, or BOTH.

3

Incoming Port

: Enter the port value (0 to 65535).

4

Forwarding IP

: Enter the IP Address of the server to which you

will forward.

5

Forwarding Port

: Enter the port value (0 to 65535).

6

Schedule Filter:

This is an optional feature.

Click to enable.

Select the time for the forwarding service to be active.

To update or remove

an entry, select it and then click

Edit

or

Remove

to perform the action.

Networking - Firewall

This security device shields your network from the Internet. A firewall,

working closely with a router, examines each network packet to

determine whether to forward it toward its destination. The router

allows further customization of this packet sniffing by allowing you to

modify how and what can or cannot enter the router.

Additionally, the position of the rule within the table determines the

priority of the rule. For example, the first rule in the table applies, then

the second, etc. If the first rule deletes a ‘bad’ packet of information,

then the remaining rules are not invoked.

Multicast Pass-through is typically used for work-related activities,

such as video conferencing access.

To access the screen, click

Networking

>

Firewall

. Click

Apply

to

save your settings or

Cancel

to cancel changes.

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