Huawei EchoLife-HG556a-v2 Router Manual PDF (Setup & Configuration Guide)

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6 Configuring Frequently Used Functions

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6-7

Figure 6-6

3.

Figure 6-7

Welcome to the Add Printer Wizard

page

Select

A network printer, or a printer attached to another computer

and then

click

Add Printer Wizard

page

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6 Configuring Frequently Used Functions

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4.

5.

Select Connect to a printer on the Internet or on a home or office network.

Enter

http://192.168.1.1:631/printers/myprinter

in the URL text box, click

The address

192.168.1.1:631

is preset and cannot be changed,

myprinter

is the printer name

that you specified.

Choose the

printer model that you want.

6.

7.

8.

If there is no printer model for you to choose, please install the printer driver on your PC

first.

Click

OK

to set the current printer as the default printer.

Click

Finish

to complete the settings.

Open the files you want to print on your PC. Then you can choose the printer just

installed to print your files.

----End

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6 Configuring Frequently Used Functions

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6.5 Improving the Security of a WLAN

The signals of a WLAN are transmitted in the air. Therefore, unauthorized persons can

receive the wireless signals easily. If the wireless signals are not encrypted, unauthorized

persons may use your WLAN or obtain the data transmitted on the WLAN. To ensure the

security of the data transmitted on the WLAN, the terminal provides multiple

security-related settings for the WLAN function. You can change these settings as

required to protect your WLAN from unauthorized access.

6.5.1 Hiding the Name of a WLAN

Function Overview

When accessing a WLAN, the user of a wireless client needs to enter the correct name of

the WLAN, that is, the service set identifier (SSID) of the WLAN. Generally, the

wireless signals transmitted from a wireless terminal carries the SSID. The wireless

adapter of a PC can find and display the SSID for selection and confirmation. Thus,

manual operations for selecting and

configuring the WLAN can be simplified. The

SSID, however, is not encrypted. Therefore, anyone can find the

WLAN, and then view

the SSID, and the security of the WLAN is reduced.

The terminal provides the function of hiding the SSID. After this function is enabled, the

wireless signals transmitted from the terminal do not carry the SSID. Thus, it is not

possible for unauthorized people to obtain the SSID from the wireless signals. In

addition, the user of a PC needs to enter the correct SSID manually to add the PC to the

WLAN. Thus, the security of the WLAN is increased.

The terminal also provides the multi-SSID function. You can configure 4 SSIDs, and

then enable one or multiple of them.

Through the multi-SSID function, multiple virtual access points of a WLAN can be

established. For a wireless client, each virtual access point can be used as a physical access

point. In addition, each virtual access point has its SSID

.

You can disable the SSIDs that are not required. After an SSID is disabled, a wireless

client cannot connect to the WLAN that is indicated by this SSID. Note that all the

external connection channels of a WLAN are closed if all the SSIDs of the WLAN are

disabled. To use the WLAN, you need to enable the WLAN function and at least one

SSID. In addition, to use the WPS function, you should enable

SSID1

.

Configuration Example

To use and hide

SSID1

and disable the other SSIDs (so that the WLAN cannot be found

by others), do as follows:

Step 1

Log in to the Web-based configuration utility.

Step 2

Choose

Wireless

>

Basic

in the navigation tree.

The WLAN configuration page is displayed.

Step 3

Enter

SSID1

in the

SSID

text box.

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Step 4

Enable the

Enable Wireless

option text box.

Step 5

Clear the

Hide Access Point

option text box, and then click

Save/Apply

.

Step 6

In the

Wireless - Guest/Virtual Access Points

area,

enter

SSID2

in the

SSID

text box.

Step 7

Clear the

Enabled

option text box. Then click

Save/Apply

.

Step 8

Repeat Step 6 and Step 7 to disable other SSIDs.

----End

If you consider the use of a WLAN is inconvenient after the SSID of the WLAN is hidden,

you can restore the function of broadcasting the SSID as follows: For Hide Broadcast, clear

Enable. Then click

Save/Apply

.

6.5.2

6.5.3

Changing the Name of a WLAN

Function Overview

If the terminal has hidden the SSID of a WLAN, you need to enter the SSID of the

WLAN manually when you use a PC to access the WLAN. If you enter a wrong SSID,

the PC cannot connect to the WLAN. Therefore, the security of the WLAN can be

improved if the SSID is difficult to be predicted.

An SSID consists of 1-32 American Standard Code for Information Interchange (ASCII)

characters. When the terminal is delivered, the SSID is preset. You can find this preset

SSID on the label on the real panel of the terminal. In addition, the terminal supports the

change of the SSID. You can change the SSID as required.

Configuration Example

If your current SSID index is

SSID1

and if you have used this SSID for a certain period,

to change this SSID to

MyNewSSID

, do as follows:

Step 1

Log in to the Web-based configuration utility.

Step 2

Choose

Wireless

>

Basic

in the navigation tree.

The WLAN configuration page is displayed.

Step 3

Clear

SSID1

in

SSID

text box, and enter

MyNewSSID

.

Step 4

Click

Save/Apply

.

----End

Using Secure Encryption

Function Overview

To ensure the security of a WLAN, an important solution is to select an optimum security

mode for the WLAN. After this security mode is used, a wireless client should provide

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the corresponding password when connecting to the WLAN and data is being

transmitted after secure encryption. Thus, only authorized persons can use the WLAN

and the data transmitted on the WLAN is protected against unauthorized access.

The terminal supports WEP encryption and multiple security modes, such as WPA-PSK

and WPA2-PSK, thus meeting security requirements in diversified network

environments.

It is recommended that you set the security mode to

WPA-PSK/WPA2-PSK

and the

encryption mode to

AES

. Thus, the WLAN works efficiently and the security of the

WLAN is ensured. In addition, if a wireless adapter does not support a certain security

mode, it cannot be connected to the WLAN in this security mode. If you use the

recommended security and encryption modes, this problem can be avoided.

z

The WPS function can be used only when the security mode is set to

WPA-PSK

or

WPA2-PSK

.

z

AES = Advanced Encryption Standard

Table 6-1 lists the rules for setting the password used for accessing a WLAN in different

security modes.

Table 6-1

Rules for setting the password used for accessing a WLAN

Security

Mode

Password Setting Rule

WEP

encryption

z

It uses 64-bit encryption (also referred to as 40-bit encryption).

The password consists of five visible ASCII characters entered

through a keyboard or 10 hexadecimal characters.

z

It uses 128-bit encryption (also referred to as 104-bit encryption).

The password consists of 13 visible ASCII characters entered

through a keyboard or 26 hexadecimal

characters.

WPA-PSK

or

WPA2-PSK

The password consists of 8–63 visible ASCII characters entered

through a keyboard or 64 hexadecimal characters.

Configuration Example

If you use the terminal at home, to select an optimum security mode, plan the parameters

as follows:

z

Set the security mode to

WPA-PSK/WPA2-PSK

.

z

Set the encryption mode to

AES

.

z

Set the password used for accessing the WLAN to

MyPassword

.

To set the preceding parameters, do as follows:

Step 1

Log in to the Web-based configuration utility.

Step 2

Choose

Wireless

>

Security

in the navigation tree.

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