3 configuring custom ports – ZyXEL Communications ZyXEL ZyAIR 100 User Manual

Page 169

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ZyWALL 10~100 Series Internet Security Gateway

Firewall Screens

12-11

Figure 12-5 Adding/Editing Source and Destination Addresses

The following table describes the fields in this screen.

Table 12-3 Adding/Editing Source and Destination Addresses

LABEL

DESCRIPTION

Address Type

Do you want your rule to apply to packets with a particular (single) IP, 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 that includes: Single Address, Range Address,
Subnet Address and 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.

Apply

Click Apply to save your customized settings and exit this screen.

Cancel

Click Cancel to exit this screen without saving,

12.5.3 Configuring Custom Ports

Configure customized ports for services not predefined by the ZyWALL (see section 12.7 for a list of
predefined services). For a comprehensive list of port numbers and services, visit the IANA (Internet
Assigned Number Authority) web site.

Click the Add button under Custom Port while editing a firewall to configure a custom port. This displays
the following screen.

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