ZyXEL Communications HS100/HS100W Following figure illustrates the logic flow of an IP filter

HomeSafe User’s Guide

Table 27-3 TCP/IP Filter Rule

FIELD	DESCRIPTION	OPTIONS
Port #	Enter the source port of the packets that you wish to filter. The	0-65535
	range of this field is 0 to 65535. This field is ignored if it is 0.
Port # Comp	Press [SPACE BAR] and then [ENTER] to select the	None
	comparison to apply to the source port in the packet against	Less
	the value given in Source: Port #.	Greater
		Equal
		Not Equal
TCP Estab	This field is applicable only when the IP Protocol field is 6,	Yes
	TCP. Press [SPACE BAR] and then [ENTER] to select Yes, to	No
	have the rule match packets that want to establish a TCP
	connection (SYN=1 and ACK=0); if No, it is ignored.
More	Press [SPACE BAR] and then [ENTER] to select Yes or No. If	Yes
	Yes, a matching packet is passed to the next filter rule before	No
	an action is taken; if No, the packet is disposed of according to
	the action fields.
	If More is Yes, then Action Matched and Action Not
	Matched will be N/A.
Log	Press [SPACE BAR] and then [ENTER] to select a logging	None
	option from the following:	Action
	None – No packets will be logged.	Matched
	Action Matched - Only packets that match the rule	Action Not
	parameters will be logged.
		Matched
	Action Not Matched - Only packets that do not match the rule
	parameters will be logged.	Both
	Both – All packets will be logged.
Action Matched	Press [SPACE BAR] and then [ENTER] to select the action for	Check Next
	a matching packet.	Rule
		Forward
		Drop
Action Not	Press [SPACE BAR] and then [ENTER] to select the action for	Check Next
Matched	a packet not matching the rule.	Rule
		Forward
		Drop

When you have Menu 21.1.1.1 - TCP/IP Filter Rule configured, press [ENTER] at the message “Press ENTER to Confirm” to save your configuration, or press [ESC] to cancel. This data will now be displayed on Menu 21.1.1 - Filter Rules Summary.

The following figure illustrates the logic flow of an IP filter.

27-6 Filter Configuration