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Page 21 / 428 Scroll up to view Page 16 - 20
Getting to Know Your ZoneAlarm Z100G Router
Chapter 1: Introduction
7
Network Requirements
•
10BaseT or 100BaseT Network Interface Card installed on each computer
•
CAT 5 STP (Category 5 Shielded Twisted Pair) Straight Through Ethernet cable
for each attached device
•
An 802.11b, 802.11g or 802.11 Super G wireless card installed on each wireless
station
•
A broadband Internet connection via cable or DSL modem with Ethernet
interface (RJ-45)
Rear Panel
All physical connections (network and power) are made via the rear panel of your
ZoneAlarm router.
The following table lists the ZoneAlarm Z100G router's rear panel elements.
Figure 1: ZoneAlarm Z100G Router Rear Panel
Page 22 / 428
Getting to Know Your ZoneAlarm Z100G Router
8
Check Point ZoneAlarm User Guide
Table 2: ZoneAlarm Z100G Router Rear Panel Elements
Label
Description
PWR
A power jack used for supplying power to the unit. Connect the supplied power
supply to this jack.
RESET
A button used for rebooting the ZoneAlarm router or resetting the ZoneAlarm
router to its factory defaults. You need to use a pointed object to press this
button.
•
Short press
. Reboots the ZoneAlarm router
•
Long press (7 seconds)
. Resets the ZoneAlarm router to its factory
defaults, and resets your firmware to the version that shipped with the
ZoneAlarm router. This results in the loss of all security services and
passwords and reverting to the factory default firmware. You will have
to re-configure your ZoneAlarm router.
Do not reset the unit without consulting your system administrator.
USB
Two USB 2.0 ports used for connecting USB-based printers
WAN
Wide Area Network: An Ethernet port (RJ-45) used for connecting your cable or
DSL modem, or for connecting a hub when setting up more than one Internet
connection
LAN 1-4
Local Area Network switch: Four Ethernet ports (RJ-45) used for connecting
computers or other network devices
ANT 1/
ANT 2
Antenna connectors, used to connect the supplied wireless antennas
Page 23 / 428
Getting to Know Your ZoneAlarm Z100G Router
Chapter 1: Introduction
9
Front Panel
The ZoneAlarm Z100G router includes several status LEDs that enable you to monitor the
router’s operation.
For an explanation of the ZoneAlarm Z100G router’s status LEDs, see the following table.
Table 3: ZoneAlarm Z100G Router Status LEDs
LED
State
Explanation
PWR/SEC
Off
Power off
Flashing quickly (Green)
System boot-up
Flashing slowly (Green)
Establishing Internet connection
Flashing (Red)
Hacker attack blocked
On (Green)
Normal operation
On (Red)
Error
Flashing (Orange)
Software update in progress
LAN 1-4/
WAN
LINK/ACT
Off,
100
Off
Link is down
LINK/ACT
On,
100
Off
10 Mbps link established for the
corresponding port
LINK/ACT
On,
100
On
100 Mbps link established for the
corresponding port
Figure 2: ZoneAlarm Z100G Router Front Panel
Page 24 / 428
Contacting Technical Support
10
Check Point ZoneAlarm User Guide
LED
State
Explanation
LNK/ACT
Flashing
Data is being transmitted/received
VPN
Off
No VPN activity
Flashing (Green)
VPN activity
On (Green)
VPN tunnels established, no activity
USB
Off
No USB port activity
Flashing (Green)
USB port activity
WLAN
Off
No WLAN activity
Flashing (Green)
WLAN activity
Contacting Technical Support
If there is a problem with your ZoneAlarm router, see http://www.sofaware.com/support.
You can also download the latest version of this guide from the site.
Page 25 / 428
What Is a Firewall?
Chapter 2: The ZoneAlarm Firewall
11
Chapter 2
This chapter introduces the ZoneAlarm firewall and its advantages.
This chapter includes the following topics:
What Is a Firewall?
.....................................................................................
11
Security Requirements
................................................................................
12
Old Firewall Technologies
.........................................................................
12
Check Point Stateful Inspection Technology
..............................................
14
What Is a Firewall?
The most effective way to secure an Internet link is to put a firewall between the local
network and the Internet. A
firewall
is a system designed to prevent unauthorized access to
or from a secured network. Firewalls act as locked doors between internal and external
networks: data that meets certain requirements is allowed through, while unauthorized data
is not.
To provide robust security, a firewall must track and control the flow of communication
passing through it. To reach control decisions for TCP/IP-based services, (such as whether
to accept, reject, authenticate, encrypt, and/or log communication attempts), a firewall
must obtain, store, retrieve, and manipulate information derived from all communication
layers and other applications.
The ZoneAlarm Firewall

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