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Vigor3300 Series User’s Guide
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To control the communication of PCs among different network segments effectively, please
adjust firewall setting to deny LAN to LAN communication from Firewall >IP Filter Group
Table. Thus, PCs that belong to various LANs will not connect with each other through the
router. To a company with several departments, such feature is useful for it to determine data
sharing among different departments.
1. Open Firewall>IP Filter>Group Table to access into the following page. Click Index
#2 radio button.
2. In this page, click Add Rule. Choose Block as Next Group Name.
3. In the following page, please set Block immediately as the action and click Apply.