40
7.1 Firewall
A
Firewall
is a network
of safety components in
computer technology that
permits or denies network
traffi c using a predefi ned
fi rewall security policy. The aim of a fi rewall is to control the transfer between a local network (LAN) (high trust)
and the Internet (low trust).
Firewall:
Enabled
means that the integrated fi rewall is switched on.
Disabled
means that the integrated fi rewall is switched off.
SPI:
Enabled
means that the integrated packet fi lter is switched on.
Disabled
means that the integrated packet fi lter is switched off.
You can fi nd more information about SPI in the glossary.
Click
SAVE
at the bottom of the window to save your settings
7.2 NAT:
In computer networking,
Network Address Translation (NAT)
is the collective term for the process of changing the
automated address information of data packets. The most common application areas are in routers and fi rewalls.
NAT Status:
Activated
means that NAT is switched on. This setting is imperative for router operation
of any kind.
To activate NAT, read section 6.5.
7.2.1 DMZ:
A Demilitarized Zone (DMZ) denotes
a computer network, where
access to its connected servers is
controlled via security checks.
The systems set up within the DMZ are protected against other networks (Internet, LAN, for example) using
fi rewalls. This separation allows access to services that are publicly accessible whilst protecting the internal
network (LAN) against unauthorised access.
DMZ:
Enabled
means that DMZ the is switched on.
Disabled
means that the DMZ is switched off.
DMZ Host IP Address:
Enter the IP Address for the computer running a
server or program that requires the DMZ.
Click
SAVE
at the bottom of the window to save your settings.
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02.10.2007 11:14:39 Uhr
02.10.2007 11:14:39 Uhr
