Huawei HG256 User Manual page 33

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HUAWEI HG256
User Guide
Operation
An Internet
user runs the
ping
command to
test the
connectivity
between the
PC and your
router.
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 HG256 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 HG256,
you can set the firewall level of the HG256 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
Protective Effects Corresponding to the Preset Protective
Levels of the Firewall
Block-All
High
×
×
×
×
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd
6 Configuring Frequently Used Functions
Medium
Standard
×
×
×
×
Low
Disable
×
6-13

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