ZyXEL Communications 10 - Manual (Page 215)

ZyWALL 10~100 Series Internet Security Gateway
Creating Custom Rules 16-19
Figure 16-9 Custom Port for MyService
Step 8. The firewall rule configuration screen displays, use the arrows between Available Services and
Selected Services to configure it as follows. Click Apply when you are done.
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.