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VoIP/(802.11g) ADSL2+ (VPN) Firewall Router
Chapter 4: Configuration
62
Packet Filter
This function is only available when the Firewall is enabled and one of these four security levels is chosen
(All blocked, High, Medium and Low). The preset port filter rules in the Packet Filter must modify
accordingly to the level of Firewall, which is selected. See Table1: Predefined Port Filter for more
detail information.