ZyAIR Wireless Gateway Series User’s Guide

 

Table 12-3 Creating/Editing A Firewall Rule

 

 

LABEL

DESCRIPTION

 

 

Enable Services

Select the check box to activate service blocking.

Blocking

 

 

 

Available Services

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

 

Please see Table 12-4for more information on services available

 

 

Blocked Services

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

 

once you enable service blocking. Choose the IP port (TCP, UDP or TCP/UDP)

 

that defines your customized port from the drop down list box.

 

 

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.

 

For a comprehensive list of port numbers and services, visit the IANA (Internet

 

Assigned Number Authority) web site.

 

 

Type

Services are either TCP and/or UDP. Select from either TCP or UDP.

 

 

Port Number

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

 

want to define the Gnutella service. Select TCP type and enter a port range from

 

6345-6349.

 

 

Add

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

 

add a service to the Blocked Service.

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 Service.

 

 

Day to Block

Select everyday or the day(s) of the week to activate blocking.

 

 

Time of Day to

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

Block (24-Hour

to take effect all day by selecting the All Day check box. You can also configure

Format)

specific times that by entering the start time in the Start (hr) and Start (min) fields

 

and the end time in the End (hr) and End (min) fields. Enter times in 24-hour

 

format, for example, “3:00pm” should be entered as “15:00”.

Apply

Click Apply to save your customized settings.

 

 

Reset

Click Reset to reload the previous configuration for this screen.

 

 

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Firewall Screens