Filter
Top Products
Prestige 2602RL-D3A Support Notes
All contents copyright (c) 2007 ZyXEL Communications Corporation.
45
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.
o Create a filter set in Menu 21, e.g., set 1
o 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
o 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
Edit Comments=
Press ENTER to Confirm or ESC to Cancel: