ZyXEL Communications Internet Security Gateway ZyWALL 100 - Manual (Page 184)

ZyWALL 100 Internet Security Gateway
16-14 Creating Custom Rules
Table 16-4 Adding/Editing Source and Destination Addresses
FIELD DESCRIPTION OPTIONS
Address Type Do you want your rule to apply to packets with a particular
(single) IP address, a range of IP addresses (e.g.,
192.168.1.10 to 192.169.1.50), a subnet or any IP
address? Select an option from the drop down list box Single Address
Range Address
Subnet Address
Any Address
Start IP Address Enter the single IP address or the starting IP address in a range
here.
End IP Address Enter the ending IP address in a range here.
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.