ZyXEL Communications UAG4100 - Firewall Rule Example Applications

Chapter 25 Firewall
UAG4100 User’s Guide
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Figure 172 Firewall Example: Edit a Firewall Rule
5 The firewall rule appears in the firewall rule summary.
Figure 173 Firewall Example: Doom Rule in Summary
25.5 Firewall Rule Example Applications
Suppose you decide to block LAN users from using IRC (Internet Relay Chat) through the Internet.
To do this, you would configure a LAN to WAN firewall rule that blocks IRC traffic from any source IP
address from going to any destination address. You do not need to specify a schedule since you
need the firewall rule to always be in effect. The following figure shows the results of this rule.