HP SuperStack Firewall Series Manuel d'utilisateur télécharger pdf (Page 42)

42 C

HAPTER

3: Q

UICK

ETUP FOR THE

IREWALL

To configure the WAN networking of your Firewall enter the following

1 In the Firewall WAN IP Address field enter the single address which has

been allocated to your Firewall. Enter the subnet mask for the above IP

address in the WAN/DMZ Subnet Mask field.

2 In the WAN Gateway (Router) Address field enter the address of your

internet access device. This may be a router, LAN modem or other device

and must be in the same subnet as the WAN IP address of the Firewall.

3 Enter any DNS servers external to your network in the order that you

want them to be accessed. The second server will only be accessed if the

first is unavailable or is unable to answer your query.

4 Click the Next button to proceed to the final part of the configuration.

See “Configuring LAN Settings” on page 44.

Using Multiple Static

IP Addresses

Select the Assigned you two or more IP addresses option and click the

Next button. The Network Address Translation screen will be displayed as

shown in Figure 13 below.

Figure 13

Choosing whether to activate NAT for multiple addresses

You are given a choice of:

■

Don’tuseNAT— This will disable Network Address Translation,

limiting you to the same number of IP devices as you have addresses.

■

Use NAT — This will enable Network Address Translation allowing you

to use as many IP devices as you wish on the LAN port. The remaining

public IP addresses can be allocated to devices on the DMZ port.

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HP SuperStack Firewall Series Manuel d'utilisateur Page 42