Zyxel-communications 5 Series Manual do Utilizador descarregar pdf (Página 224)

ZyWALL 5/35/70 Series User’s Guide

224 Chapter 11 Firewall

11.3.2 From VPN Packet Direction

You can also apply firewall rules to traffic that comes in through the ZyWALL’s VPN tunnels.

The ZyWALL decrypts the VPN traffic and then applies the firewall rules. From VPN means

traffic that came into the ZyWALL through a VPN tunnel and is going to the selected “to”

For example, by default the firewall allows traffic from any VPN tunnel to go to any of the

ZyWALL’s interfaces, the ZyWALL itself and other VPN tunnels. You could edit the From

VPN To LAN default firewall rule to silently block traffic from the VPN tunnels from going

to the LAN computers.

Figure 108 From VPN to LAN Example

In order to do this, you would configure the SECURITY > FIREWALL > Default Rule

screen as follows.

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Zyxel-communications 5 Series Manual do Utilizador Página 224