Cisco PIX 520 - PIX Firewall 520 Online Help Manual page 146

Hosts/Networks>Add>Basic Information
In the Create host/network>Basic Information dialog box, you specify values for the IP address, netmask,
interface, and name of a host or network. This information provides the basic identification information for that
host or network. PIX Device Manager uses the name and IP address/netmask pair to resolve references to this
host or network in the source and destination conditions of access rules and in translation rules. PIX Device
Manager uses the interface value to apply access and translation rules that reference this host or network to the
correct interface. The interface delivers network packets to the host or network, and therefore, it enforces the rules
that reference that host or network.
The following sections are included in this Help topic:
Field Descriptions
Defining Basic Information
Field Descriptions
The Create host/network>Basic Information dialog box displays the following fields:
IP Address—Identifies the IP address of the host or network you want to add.
Mask—(address mask) Identifies the bits of the IP address to treat as wildcard. When you define a host,
this value must be 255.255.255.255. For example, to define a Class B network, with an address space
between 192.168.0.0 and 192.168.255.255, you would specify an IP address value of 192.168.0.0 and a
mask value of 255.255.0.0. To define the host, 192.168.1.1, on this network, you would specify an IP
address value of 192.168.1.1 and a mask value of 255.255.255.255.
Interface—Identifies the interface in the PIX Firewall unit from which this host or network is reachable.
The host or network must either be directly connected to this interface or reside behind a gateway that is
reachable from this interface.
Name [Recommended]—Identifies the name used when referencing this host or network in access and
translation rules. This name may include up to 16 characters. Valid characters are a to z, A to Z, 0 to 9,
period ("."), and an underscore ("_"). The name must start with an alphabetic character. We recommend
that you name all hosts and networks.
Next—Continues to the Create host/network>Static Route dialog box.
Cancel—Clears any changes you may have made and returns to the Hosts/Networks tab.
Help—Provides more information.