Huawei HG231f User Manual - Page 46

Protective Effects Corresponding to the Preset Protective, Standard, Advanced, Firewall

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HUAWEI HG231f Wireless-N Router User Guide 6 Configuring Frequently Used Functions Operation An Internet user performs other accessing operations on your router. Protective Effects Corresponding to the Preset Protective Levels of the Firewall Block-All High Medium Standard Low Disable × × × × × √ NOTE z A tick (√) indicates that the firewall at this level allows the operation. z A cross (×) indicates that the firewall at this level prohibits the operation. z FTP = File Transfer Protocol When the router is delivered, the level of the firewall is set to Standard. Normally, it is recommended that you set the level of the firewall to Standard. Thus, the network security can be ensured and most requirements for using the network can be met. If you have special requirements for using the network, you can set the protective level as required or define more firewall rules. Configuration Example For example, you have stringent requirements on network security. To allow the PCs on a LAN to only browse Web pages and prohibit Internet users from accessing the router, you can set the firewall level of the router to High as follows: Step 1 Log in to the Web-based configuration utility. Step 2 In the navigation tree, choose Advanced > Firewall. The firewall page is displayed. Step 3 Select High for Firewall level. Step 4 Click Submit. ----End You cannot modify a predefined firewall level. To define a firewall level, select Custom for Firewall level. Then set the level name and protective rules. Issue 01 (2010-04-01) 6-13

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HUAWEI HG231f Wireless-N Router
User Guide
6 Configuring Frequently Used Functions
Issue 01 (2010-04-01)
6-13
Protective Effects Corresponding to the Preset Protective
Levels of the Firewall
Operation
Block-All
High
Medium
Standard
Low
Disable
An
Internet
user
performs
other
accessing
operations on
your router.
×
×
×
×
×
√
NOTE
A tick (
√
) indicates that the firewall at this level allows the operation.
A cross (×) indicates that the firewall at this level prohibits the operation.
FTP = File Transfer Protocol
When the router is delivered, the level of the firewall is set to
Standard
. Normally, it is
recommended that you set the level of the firewall to
Standard
. Thus, the network
security can be ensured and most requirements for using the network can be met.
If you have special requirements for using the network, you can set the protective level
as required or define more firewall rules.
Configuration Example
For example, you have stringent requirements on network security. To allow the PCs on a
LAN to only browse Web pages and prohibit Internet users from accessing the router,
you can set the firewall level of the router to
High
as follows:
Step 1
Log in to the Web-based configuration utility.
Step 2
In the navigation tree, choose
Advanced
>
Firewall
.
The firewall page is displayed.
Step 3
Select
High
for
Firewall level
.
Step 4
Click
Submit
.
----End
You cannot modify a predefined firewall level. To define a firewall level, select
Custom
for
Firewall level
. Then set the level name and protective rules.