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5.2.2.2 DHCP Relay
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5.2.3 Firewall
This section describes how to set the firewall parameters, including security, ACL, DMZ, Port Mapping,
MAC Binding and SPI.
The firewall implements corresponding control of data flow at entry direction (from Internet to local
area network) and exit direction (from local area network to Internet) according to the content
features of packets, such as protocol style, source/destination IP address, etc. It ensures that the
router operate in a safe environment and host in local area network.
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