General Firewall Screen; Figure 96 Using Ip Alias To Solve The Triangle Route Problem; Figure 97 Security > Firewall > General L; Table 58 Security > Firewall > General - ZyXEL Communications X550N - V3.60 User Manual

2 The X550N reroutes the packet to Gateway A, which is in Subnet 2.
3 The reply from the WAN goes to the X550N.
4 The X550N then sends it to the computer on the LAN in Subnet 1.

Figure 96 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
X550N's firewall, and set up firewall logs.
Figure 97 Security > Firewall > General l
The following table describes the labels in this screen.
Table 58 Security > Firewall > General
LABEL
Enable Firewall
Packet Direction
X550N Series User's Guide
DESCRIPTION
Select this check box to activate the firewall. The X550N performs access control
and protects against Denial of Service (DoS) attacks when the firewall is activated.
This is the direction of travel of packets.
Firewall rules are grouped based on the direction of travel of packets to which they
apply.
Chapter 13 Firewall
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