Actiontec MI424WR (GigE) - Manual (Page 91)

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Actiontec Wireless Broadband Router User Manual
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Chapter 6 Configuring the Router’s Security
Two sets of rules can be configured: input rules and output rules. Each set of rules
comprises three subsets: initial rules, network devices rules, and final rules. These
subsets determine the sequence by which the rules will be applied. Following is a
description of the set ordering for inbound and outbound packets.
Inbound Packets - Input Rule Sets
• Initial rules
• All rules defined for the network device on which the packet is
• Local servers rules from the local server tab in the security screen
• Rules to accept all the packets on a device in case the firewall check
box “Internet Connection Firewall” in the connection settings screen is
unchecked
• Remote administration rules from the remote administration tab
• DMZ host rules from the DMZ tab
• Final rules
Outbound Packets - Output Rules Sets
• Initial rules
• All rules defined for the network device on which the packet is
• Rules to accept all the packets on a device in case the firewall check
box “Internet Connection Firewall” in the connection settings screen is
unchecked
• IP /hostname filtering rules and access control rules from the tabs in the
security screen
• Final rules
There are numerous rules automatically inserted by the firewall in order to provide
improved security and block harmful attacks.