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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
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User Manual
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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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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.
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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
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