ZyXEL Communications 642R Series manual Example Filter Menu

Prestige 642R Series ADSL Router

					Press [SPACE BAR] to choose
		Menu 21.3.1 - TCP/IP Filter Rule
					this filter rule type. The first
		Filter #: 3,1			filter rule type determines all
		Filter Type= TCP/IP Filter Rule			subsequent filter types within a
		Active= Yes
		IP Protocol= 6	IP Source Route= No		set.
		Destination: IP Addr= 0.0.0.0
		IP Mask= 0.0.0.0
		Port #= 23
		Port # Comp= Equal			Select Yes to make the rule
		Source: IP Addr= 0.0.0.0			active.
		IP Mask= 0.0.0.0
		Port #=
		Port # Comp= None
		TCP Estab= No			6 is the TCP protocol.
		More= No	Log= None
		Action Matched= Drop
		Action Not Matched= Forward
		Press ENTER to Confirm or ESC to Cancel:
Press Space Bar to Toggle.					The port number for the telnet
					service (TCP protocol) is 23.
There are no
					See RFC 1060 for port numbers
				Select Equal
more rules to
					of well-known services.
check.				here as we are
				looking for
				packets going to
	Select Drop here so that
				port 23 only.
	the packet will be
	dropped if its destination
	is the telnet port.
				Select Forward here so that
				the packet will be forwarded
				if its destination is not the
				telnet port.

Figure 8-14 Example Filter - Menu 21.3.1

When you press [ENTER] to confirm, you will see the following screen. Note that there is only one filter rule in this set.

8-18 Filter Configuration