3 configuring custom ports – ZyXEL Communications Internet Security Gateway ZyWALL 2 Series User Manual

Page 168

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ZyWALL 2 Series User’s Guide

11-12

Firewall

Screens

Table 11-3 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,

11.6.3 Configuring Custom Ports

Configure customized ports for services not predefined by the ZyWALL (see section 11.8 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.

Figure 11-6 Creating/Editing A Custom Port

The following table describes the fields in this screen.

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