ZyXEL Communications ZYWALL10 - Manual (Page 223)

ZyWALL 10 Internet Security Gateway
19-12 Example Firewall Rules
19.1.3 Example 3: DHCP Negotiation and Syslog Connection from the
Internet
The following are some Internet firewall rule examples that allow DHCP negotiation between the ISP and
the ZyWALL 10 and allow a syslog connection from the Internet.
Step 1.
Follow the procedure shown next to first configure a custom port.
Figure 19-11 Custom Port for Syslog
Custom ports show up with an
“*” before their names in the
Services list box and the Rule
Summary list box. Click Apply
after you’ve created your
custom port.