Global Technology Associates GBWA200501-01 User Manual download pdf (Page 40)

GB-Ware Firewall Product Guide36

ment Numbers Authority (IANA) has speciﬁed network addresses in

RFC 1918 that are designated exclusively for internal networks.

IANA Private Network IP Address Rules

Quantity of Addresses

Available

Network Class IP Address Range

1 A 10.0.0.0 -

10.255.255.255

16 B 172.16.0.0 -

172.31.255.255

256 C 192.168.0.0 -

192.168.255.255

Note

Because GTA ﬁrewalls perform NAT, the IP address and any network

addresses behind the ﬁrewall (i.e., attached to, or on the protected

network or PSN) can be unregistered. IANA compliance is largely

a matter of convenience in NATted networks.

9. Gateway/Default Route on External Interface (No DHCP or PPP/

PPPoE/PPTP)

If your external network interface is not using DHCP (which

automatically fetches gateway information), enter a default route

for outbound trafﬁc. Once the IP address, net mask, and device

assignment have been made, the wizard will prompt for the default

route. The wizard attempts to determine the network segment of the

IP address automatically.

10. Password

Assign a password to your ﬁrewall (required). Initially, the user ID

and password is set to “gnatbox.” The user ID can be changed

later in Authorization then Admin Accounts.

Caution

GTA recommends changing the default user ID and password to

prevent unauthorized access. See the GNAT Box System Software

User's Guide for instructions.

10. Saving Your Settings

The summary screen displays all your conﬁguration settings. If you

need to make changes, use the

button to move back to

the desired dialog and make corrections. Once you are satisﬁed

with your settings, select

SAVE

and allow the ﬁrewall to boot up.

Initial conﬁguration is now complete.

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Global Technology Associates GBWA200501-01 User Manual Page 40