Chapter 13 Firewall

Table 64 Security > Firewall > Services > Adding a Rule

LABEL

 

DESCRIPTION

End IP Address

 

Enter the ending IP address in a range here. This field is only available

 

 

when IP Range is selected as the Address Type.

 

 

 

IP Pool List

 

Add an IP address from the IP Pool List to the Selected IP List by

 

 

highlighting an IP address and clicking Add. To delete an IP address

 

 

from the Selected IP List highlight an IP address and click the Remove

 

 

button. These fields are only available when IP Pool is selected as the

 

 

Address Type.

 

 

The IP Pool list gathers its IPs from entries in the ARP table. The ARP

 

 

table contains the IP addresses and MAC addresses of the devices that

 

 

have sent traffic to the NBG-460N.

 

 

 

Service Setup

 

 

 

Available

 

This is a list of pre-defined services (ports) you may prohibit your LAN

Services

 

computers from using. Select the port you want to block using the drop-

 

 

down list and click Add to add the port to the Blocked Services field.

 

 

 

Blocked

 

This is a list of services (ports) that will be inaccessible to computers on

Services

 

your LAN once you enable service blocking.

 

 

 

Custom Port

 

A custom port is a service that is not available in the pre-defined

 

 

Available Services list and you must define using the next two fields.

 

 

 

Type

 

Choose the IP port (TCP or UDP) that defines your customized port

 

 

from the drop down list box.

 

 

 

Port Number

 

Enter the port number range that defines the service. For example, if

 

 

you want to define the Gnutella service, then select TCP type and enter

 

 

a port range from 6345 to 6349.

 

 

 

Add

 

Select a service from the Available Services drop-down list and then

 

 

click Add to add a service to the Blocked Services.

 

 

 

Delete

 

Select a service from the Blocked Services list and then click Delete

 

 

to remove this service from the list.

 

 

 

Clear All

 

Click Clear All to empty the Blocked Services.

 

 

 

Schedule to Block

 

 

 

Day to Block:

 

Select a check box to configure which days of the week (or everyday)

 

 

you want service blocking to be active.

 

 

 

Time of Day to

 

Select the time of day you want service blocking to take effect.

Block (24-Hour

 

Configure blocking to take effect all day by selecting All Day. You can

Format)

 

also configure specific times by selecting From and entering the start

 

 

time in the Start (hour) and Start (min) fields and the end time in

 

 

the End (hour) and End (min) fields. Enter times in 24-hour format,

 

 

for example, "3:00pm" should be entered as "15:00".

 

 

 

Log

 

 

 

Active (Log

 

Select this to log packets that match this rule. Go to the Log Settings

packets match

 

page and select the Access Control logs category to have the NBG-

this rule)

 

460N record these logs.

 

 

 

Misc setting

 

 

 

Bypass Triangle

 

Select this check box to have the NBG-460N firewall ignore the use of

Route

 

triangle route topology on the network.

 

 

 

186

NBG-460N User’s Guide

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ZyXEL Communications wireless n gigbit router zyxel manual 186, Address Type, Click Clear All to empty the Blocked Services