ZyXEL Communications G-2000 Plus V2, Руководство пользователя

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ZyXEL G-2000 Plus v2 User’s Guide
154 Chapter 11 Firewall Screens
The following table describes the labels in this screen.
Table 51 Creating/Editing A Firewall Rule
LABEL DESCRIPTION
Edit Source/Destination Address
Address Type Do you want your rule to apply to packets with a particular (single) IP, a range of IP
addresses (e.g., 192.168.1.10 to 192.169.1.50), a subnet or any IP address?
Select an option from the drop-down list box that includes: Single Address , Range
Address , Subnet Address and Any Address .
Start IP Address Enter the single IP address or the starting IP address in a range here.
End IP Address Enter the ending IP address in a range here.
Subnet Mask Enter the subnet mask here, if applicable.
Add Click Add to add a new address to the Source or Destination Address(es) box.
You can add multiple addresses, ranges of addresses, and/or subnets.
Modify To edit an existing source or destination address, select it from the box and click
Modify .
Delete Highlight an existing source or destination address from the Source or Destination
Address(es) box above and click Delete to remove it.
Edit Service
Available/
Selected Services
Please see Table 53 for more information on services available. Highlight a service
from the Available Services box on the left, then click >> to add it to the Selected
Service(s) box on the right. To remove a service, highlight it in the Selected
Service(s) box on the right, then click << .
Custom Service
Add Click this button to bring up the screen that you use to configure a new custom
service that is not in the predefined list of services.
Edit Select a custom service (denoted by an *) from the Available Services list and
click this button to edit the service.
Delete Select a custom service (denoted by an *) from the Available Services list and
click this button to remove the service.
Edit Schedule
Day to Apply Select everyday or the day(s) of the week to apply the rule.
Time of Day to
Apply (24-Hour
Format)
Select All Day or enter the start and end times in the hour-minute format to apply
the rule.
Actions When Matched
Log This field determines if a log is created or not for the following options.
Select
Match to create a log for packets that match the rule.
If you do not want to create a log select None .
Select Not-Match to create a log for packets that do not match the rule.
Select Both to create a log for packets that match the rule and packets that do not
match the rule.
Go to the
Log Settings page and select the Access Control logs category to have
the
ZyXEL device
record these logs.
Alert Message to
Administrator
When Matched
Select the check box to have the
ZyXEL device
generate an alert when the rule
is matched.