ZyXEL Communications Prestige 100WH Internet Access Router, 4. TCP/IP Filter Rule Menu Fields

Prestige 100WH Internet Access Router

The following Table 7-4 describes how to configure your TCP/IP filter rule.

Table 7-4. TCP/IP Filter Rule Menu Fields

Field	Description
Active	Active and deactivate this filter rule.
IP Protocol	Specify the upper layer protocol number. The range for this value should be
	between 0 and 255. For example, TCP is 6 and UDP is 17.
IP Source Route	Determine whether to check the source route.
Destination: IP	Enter the destination IP Address of the packet you wish to filter. The
Addr	address is usually written in dotted decimal notation such as a.b.c.d where
	a, b, c, and d are numbers between 0 and 255.
Destination: IP	Enter the IP mask that will be used to mask the bits of the IP Address given
Mask	in Destination: IP Addr.
Destination: Port #	Enter the destination port of the packets that you wish to filter. The range of
	this field is 0 to 65535.
Destination: Port #	Select the comparison you wish to apply to the value given in Destination:
Comp	Port #.
Source: IP Addr	Enter the source IP Address of the packet you wish to filter.
Source: IP Mask	Enter the mask that will be used to mask the bits of the IP Address given in
	Source: IP Addr.
Source: Port #	Enter the source port of the packets that you wish to filter. The range of this
	field is 0 to 65535.
Source: Port #	Select the comparison you wish to apply to the value given in Source: Port
Comp	#.
TCP Estab	This field is applicable for TCP only and will be inactive (N/A) if it is IP
	protocol field is not 6. In this field you specify when to apply the filter. There
	are two options:
	[Yes] – filter match only established TCP connections. [No] – filter match
	any TCP packets.

7-8Chapter 7 Filter Configuration