User Manual

31

Security Policies

Figure 3-19 shows the

Security

Policies

page.

Figure 3-19

Security

Policies

page

Select

Disabled

,

Block-all

,

High

,

Medium

,

Standard

or

Low

from the

Select

Firewall Level

drop-down list and click

Save

to save the settings.

IP Filter

Choose

Firewall

>

IP

Filter

in the navigation tree to display the

IP

Filter

page.

Figure 3-20 shows the

IP

Filter

page.

Figure 3-20

IP

Filter

page

User Manual

32

Table 3-14 lists the parameters for the IP filter.

Table 3-14

Parameters for the IP filter

Item

Description

IP Filter Mode

Select

Enable

or

Disable

to enable or disable

the IP filter.

Rule Name

The name of the rule.

Source IP Address

The IP address that allows or rejects access to

the Internet or the destination address.

Destination IP Address

The IP address that allows or rejects the source

IP address to have access to visit.

Select Protocol to Block

The IP protocol that defines your customized

service.

Action

It is used to select whether the firewall allows or

rejects the network access.

MAC Filter

Choose

Firewall

>

MAC

Filter

in the navigation tree to display the

MAC

Filter

page. Select

Enable

or

Disable

to enable or disable the MAC filter.

Figure 3-21 shows the

MAC

Filter

page.

Figure 3-21

MAC

Filter

page

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33

Table 3-15 lists the parameters for the MAC filter.

Table 3-15

Parameters for the MAC filter

Item

Description

Filter Mode

The two optional modes are as follows:

Black

indicates that all MAC layer frames will be

FORWARDED except those matching with any of the

specified rules in the following table.

White

indicates that all MAC layer frames will be BLOCKED

except those matching with any of the specified rules in the

following table.

Name

The name of the filter.

MAC address

The MAC address of the client that allows or rejects access

to the network in the address fields. The MAC address is in

six hexadecimal character pairs.

URL Blocking

Figure 3-22 shows the

URL

Blocking

page.

Choose

Firewall

>

URL

Blocking

in the navigation tree to display the

URL

Blocking

page.

Figure 3-22

URL

Blocking

page

Table 3-16 lists the parameter for URL blocking.

Table 3-16

Parameter for URL blocking

Item

Description

URL/Keyword

The URL or the keyword of the URL.

Remove

Delete the self-created URL.

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34

DMZ Host

Choose

Firewall

>

DMZ

Host

in the navigation tree to display the

DMZ

Host

page.

Figure 3-23 shows the

DMZ

Host

page.

Figure 3-23

DMZ

Host

page

Table 3-17 lists the parameter for the DMZ host.

Table 3-17

Parameter for the DMZ host

Item

Description

DMZ Host IP

address

The IP address of the DMZ host computer

NOTE

DMZ = Demilitarized Zone

3.4.7 Diagnostics

By using the diagnostics function, you can test the LAN interfaces of the HG556a once you

have completed the cable connection.

USB

Choose

Diagnostics

>

USB

in the navigation tree to display the

USB

page.

User Manual

35

Figure 3-24 shows the

USB

page.

Figure 3-24

USB

page

Click

Test

to test the USB ports.

Network

Choose

Diagnostics

>

Network

in the navigation tree to display the

Network

page.

Figure 3-25 shows the

Network

page.

Figure 3-25

Network

page