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2 configuring the firewall rules – ZyXEL Communications 5 Series User Manual

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ZyWALL 5/35/70 Series User’s Guide

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Chapter 4 Tutorial

Figure 43 SECURITY > VPN > VPN Rules (IKE)> Add Network Policy

4.2.2 Configuring the Firewall Rules

Suppose you have several VPN tunnels but you only want to allow device B’s network to
access the FTP server. You also only want FTP traffic to go to the FTP server, so you want to
block all other traffic types (like chat, e-mail, web and so on). The following sections show
how to configure firewall rules to enforce these restrictions.