User`s manual

P-660 Series Support Notes

2. A filter for blocking a specific client

3. A filter for blocking a specific MAC address

4. A filter for blocking the NetBIOS packets

A filter for blocking the web service

Configuration

Before configuring a filter, you need to know the following information:

1. The outbound packet type (protocol & port number)

2. The source IP address

Generally, the outbound packets for Web service could be as following:

a. HTTP packet, TCP (06) protocol with port number 80

b. DNS packet, TCP (06) protocol with port number 53 or

c. DNS packet, UDP (17) protocol with port number 53

For all workstation on the LAN, the source IP address will be 0.0.0.0. Otherwise, you

have to enter an IP Address for the workstation you want to block. See the procedure

for configuring this filter below.

1. Create a filter set in Menu 21, e.g., set 1

2. Create three filter rules in Menu 21.1.1, Menu 21.1.2, Menu 21.1.3

• Rule 1- block the HTTP packet, TCP (06) protocol with port number 80

• Rule 2- block the DNS packet, TCP (06) protocol with port number 53

• Rule 3- block the DNS packet, UDP (17) protocol with port number 53

3. Apply the filter set in menu 4

1. Create a filter set in Menu 21

Menu 21 - Filter Set Configuration

Filter Filter

Set # Comments Set # Comments

------ ----------------- ------ -----------------

1 Web Request 7 _______________

2 _______________ 8 _______________

3 _______________ 9 _______________

4 _______________ 10 _______________

5 _______________ 11 _______________

6 _______________ 12 _______________

Enter Filter Set Number to Configure= 1