ZyXEL Communications Prestige 100L manual Example Filter Menu

Prestige 100L IDSL Router

Menu 21.1.1 - TCP/IP Filter Rule			Press the [space bar] to choose
			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 #= 0
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
		Select Equal	See RFC 1700 for port numbers
more rules to
			of well-known services.
check.		here as we are

	looking for
Select Drop here so that	packets going to
	port 23 only.
the packet is dropped if
its destination is the
telnet port.	Select Forward here so that
	the packet is forwarded if its
	destination is not the telnet
	port.

Figure 6-7 Example Filter – Menu 21.1.1

When you press the [Enter] key to confirm, the following screen appears. Note that there is only one filter rule in this set.

6-14 Filters