ZyXEL Communications ZyXEL ZyWALL 2WE - Manual (Page 184)

ZyWALL 2 and ZyWALL 2WE
16-14 Creating Custom Rules
Table 16-4 Adding/Editing Source and Destination Addresses
FIELD DESCRIPTION OPTIONS
Subnet Mask Enter the subnet mask here, if applicable.
When you have finished, click Apply to save your customized settings and exit this screen, Cancel to
exit this screen without saving, or Help for online HTML help on fields in this screen.
16.6 Custom Ports
Configure customized ports for services not predefined by the ZyWALL (see section 16.5 for a list of
predefined services). For a comprehensive list of port numbers and services, visit the IANA (Internet
Assigned Number Authority) web site.
16.7 Creating/Editing A Custom Port
Click the Add button under Custom Port while editing a firewall to configure a custom port. This displays
the following screen.
Figure 16-6 Creating/Editing A Custom Port