Billion Electric Company BiPAC 8501/8521 - Manual (Page 87)

Billion BiPAC 8500/8501/8520/8521 SHDSL (VPN) Firewall Bridge/ Router
Chapter 4: Configuration
83
Packet Filter
This function is only available when Firewall is enabled and one of these four security levels is
chosen (All blocked, High, Medium and Low). The predefined port filter rules in the Packet
Filter must modify according to the level of Firewall, which is selected. See Table1: Predefined
Port Filter for more detailed information.