ZyXEL Communications 480 manual 2 TCP/IP Filter Rule, TCP/IP Filter Rule Menu Fields

Prestige 480 Dual BRI ISDN Router

9.3.2 TCP/IP Filter Rule

This section shows you how to configure a TCP/IP filter rule. TCP/IP rules allow you to base the rule on the fields in the IP and the upper layer protocol, e.g., UDP and TCP, headers.

To configure a TCP/IP rules, select TCP/IP Filter Rule from the Filter Type field and press [Enter] to open Menu 21.1.1 - TCP/IP Filter Rule, as shown next.

Menu 21.1.1 - TCP/IP Filter Rule

Filter #:	1,1
Filter Type= TCP/IP Filter Rule
Active= Yes
IP Protocol= 6		IP Source Route= No
Destination: IP Addr= 0.0.0.0
	IP Mask= 0.0.0.0
	Port #= 137
	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		Log= None

Action Matched= Drop

Action Not Matched= Check Next Rule

Press ENTER to Confirm or ESC to Cancel:

Press Space Bar to Toggle.

Figure 9-6 Menu 21.1.1 - TCP/IP Filter Rule

The following table describes how to configure your TCP/IP filter rule.

Table 9-4 TCP/IP Filter Rule Menu Fields

Field	Description	Option
Active	This field activates/deactivates the filter rule.	Yes/No
IP Protocol	Protocol refers to the upper layer protocol, e.g., TCP is 6,	0-255
	UDP is 17 and ICMP is 1. This value mus t be between 0
	and 255
IP Source Route	If Yes, the rule applies to packet with IP source route	Yes/No
	option; else the packet must not have source route option.

9-8 Filter Configuration