ZyXEL ZyWALL 5 User Guide - Page 120

Chapter 5 Tutorials " The security settings apply to VPN traffic going to or from the ZyWALL's VPN tunnels. They do not apply to other VPN traffic for which the ZyWALL is not one of the gateways (VPN pass-through traffic). You can turn on content filtering for all of the ZyWALL's VPN traffic (regardless of its direction of travel). You can apply firewall, IDP, anti-virus and anti-spam security to VPN traffic based on its direction of travel. The following examples show how you do this for IDP and the firewall. 5.2.1 IDP for From VPN Traffic Example You can apply security settings to the From VPN packet direction to protect your network from attacks, intrusions, viruses and spam that may come in through a VPN tunnel. For example, you can use IDP to protect your LAN from intrusions that might come in through any of the VPN tunnels or interfaces. Figure 53 IDP for From VPN Traffic Here is how you would configure this example. 1 Click SECURITY > IDP > General. 2 Select the To LAN column's first check box (with the interface label) to select all of the To LAN packet directions. 3 Click Apply. 120 ZyWALL 5/35/70 Series User's Guide