ZyXEL g-2000 plusv2 Betriebsanweisung

ZyXEL G-2000 Plus v2 User’s Guide

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Chapter 11 Firewall Screens

The following table describes the labels in this screen.

Table 51   Creating/Editing A Firewall Rule

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

 

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.