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8.2 IP fi lter (access control using IP address)
In the
Main Menu
, select the
Access Management menu item
, and then the
IP Filter
sub-item.
A packet fi lter is an application for
fi ltering the incoming and outgoing data
traffi c in a computer network. This is
generally used to protect the network
from attackers, however the fi lter also
protects against unwanted outgoing
packets. This means, for example, that
you can prevent your own computer from
spreading unwanted and undetected
viruses on the Internet.
IP Filter Set Index:
You can save up to 12
settings.
Interface:
Use the same setting
as entered in the
Virtual Circuit fi eld
on the
Interface
Setup
as entered on
the Interface Setup/
LAN/Virtual
Circuit
page.
Direction:
Incoming:
Incoming
packets are fi ltered
Outgoing:
Outgoing
packets are fi ltered
Both:
Incoming and Outgoing packets are fi ltered (checked) using the preset rule.
IP Rule Index:
You can set 1 to 6 rules
Active:
Yes means that the rule is switched on.
No
means that the rule is switched off.
You can also switch individual rules on or off if required.
Source IP Add:
IP address of the source computer. If you enter 0.0.0.0 this setting is ignored.
Subnet Mask:
Subnet mask of the source computer.
Port:
Enter the number of the port to which the rule is to apply. If you enter 0, this setting is ignored.
Destination IP Add:
IP address of the “destination” computer. If you enter 0.0.0.0 this setting is ignored.
Subnet Mask:
Subnet mask of the “destination” computer.
00062727bda.indd Abs2:43
00062727bda.indd Abs2:43
02.10.2007 11:14:41 Uhr
02.10.2007 11:14:41 Uhr
