ZyXEL Communications USG40 User Manual page 339

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Your Security Policy would have the following settings.

Table 141 Limited LAN1 to WAN IRC Traffic Example 2

• The first row allows any LAN1 computer to access the IRC service on the WAN by logging into the

ZyWALL/USG with the CEO's user name.

• The second row blocks LAN1 access to the IRC service on the WAN.

• The third row is the default policy of allowing allows all traffic from the LAN1 to go to the WAN.

The policy for the CEO must come before the policy that blocks all LAN1 to WAN IRC traffic. If the

policy that blocks all LAN1 to WAN IRC traffic came first, the CEO's IRC traffic would match that

policy and the ZyWALL/USG would drop it and not check any other security policies.

Chapter 18 Security Policy

ZyWALL/USG Series User's Guide

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