HUAWEI B890 4G LTE Smart Hub
8 Security Settings
8.1 Enabling or Disabling the Firewall Switch
The Smart Hub supports the firewall function to control the transmission of data
streams and protect your local area network from unauthorized access.
Procedure
Step 1 Choose Settings > Security > Firewall Switch.
Step 2 Select Enable firewall to enable the firewall or clear it to disable the firewall.
Enable IP address filter ,Disable WAN port ping, Enable LAN MAC address filter and
Enable URL filter are available to be set only when Enable firewall is selected.
Select Enable IP address filter, to enable the function of filtering IP addresses.
Select Disable WAN port ping, to disable the ping function.
Select Enable LAN MAC address filter, to enable the function of filtering LAN MAC
address.
Select Enable URL filter, to enable the function of filtering URL.
Step 3 Click Apply.
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8.2 Configuring the LAN IP Filter
The function to filter IP addresses in the local area network (LAN) can be used to
restrict the access to specific Internet services from specified devices in the LAN.
Prerequisites
To configure the LAN IP Filter, The IP address filtering function should be enabled first.
For details, see 8.1 Enabling or Disabling the Firewall Switch.
Context
The following table lists common protocols at the Application Layer in the
Transmission Control Protocol and the Internet Protocol (TCP/IP).
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