Figure 10-11 Ftp_Wan Filter Configuration; Figure 10-12 Filter Rule Configuration - ZyXEL Communications Prestige 1600 Configuration Manual

Filter
Set #
------
1
2
3
4
5
6
Enter Filter Set Number to Configure= 2
Press ENTER to Confirm or ESC to Cancel:
Create two filter rules in Menu 21.2.1 and Menu 21.2.2
Rule 1- block the inbound FTP packet, TCP (06) protocol with port number 20
Press ENTER to Confirm or ESC to Cancel:
Press Space Bar to Toggle.
Filter Configuration
Menu 21 - Filter Set Configuration
Comments
------------------
NetBIOS_WAN
_____________
______________
______________
______________
______________
Edit Comments= FTP_WAN

Figure 10-11 FTP_WAN Filter Configuration

Menu 21.2.1 - TCP/IP Filter Rule
Filter #: 2,1
Filter Type= TCP/IP Filter Rule
Active= Yes
IP Protocol= 6
Destination: IP Addr= 0.0.0.0
IP Mask= 0.0.0.0
Port #= 20
Port # Comp= Equal
Source: IP Addr= 0.0.0.0
IP Mask= 0.0.0.0
Port #= 0
Port # Comp= None
TCP Estab= No
More= No
Action Matched= Check Next Rule
Action Not Matched= Check Next Rule

Figure 10-12 Filter Rule Configuration

Prestige 1600 Universal Access Concentrator
Filter
Set # Comments
------ ------------------
7 ______________
8 ______________
9 ______________
10 ______________
11 ______________
12 ______________
IP Source Route= No
Log= None
10-13