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Chapter 13 Firewall
NBG334W User’s Guide
145
1 A computer on the LAN initiates a connection by sending a SYN packet to a receiving
server on the WAN.
2 The NBG334W reroutes the packet to Gateway A, which is in Subnet 2.
3 The reply from the WAN goes to the NBG334W.
4 The NBG334W then sends it to the computer on the LAN in Subnet 1.
Figure 79 Using IP Alias to Solve the Triangle Route Problem
13.3 General Firewall Screen
Click Security > Firewall to open the General screen. Use this screen to enable or disable the
NBG334W’s firewall, and set up firewall logs.
Figure 80 Security > Firewall > General l
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