ZyXEL Communications ZyWALL USG 300 User Manual page 460

Unified security gateway

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Chapter 24 Firewall

Now you configure a LAN to WAN firewall rule that allows IRC traffic from the IP

address of the CEO's computer (192.168.1.7 for example) to go to any destination

address. You do not need to specify a schedule since you want the firewall rule to

always be in effect. The following figure shows the results of your two custom

Figure 341 Limited LAN to WAN IRC Traffic Example

Your firewall would have the following configuration.

Table 120 Limited LAN1 to WAN IRC Traffic Example 1

• The first row allows the LAN computer at IP address 192.168.1.7 to access the

IRC service on the WAN.

• The second row blocks LAN access to the IRC service on the WAN.

• The third row is the firewall's default policy of allowing all traffic from the LAN to

go to the WAN.

Alternatively, you configure a LAN to WAN rule with the CEO's user name (say

CEO) to allow IRC traffic from any source IP address to go to any destination

Your firewall would have the following configuration.

Table 121 Limited LAN1 to WAN IRC Traffic Example 2

SCHEDULE SERVICE

SCHEDULE SERVICE

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