ZyXEL Communications HS100/HS100W manual Example Filter Menu

HomeSafe User’s Guide

Step 6. Enter 1 to configure the first filter rule (the only filter rule of this set). Make the entries in this menu as shown in the following figure.

Menu 21.1.3.1 - TCP/IP Filter Rule

Filter #: 3,1

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 #=	23
	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= Forward

Press ENTER to Confirm or ESC to Cancel: Press Space Bar to Toggle.

Press [SPACE BAR] and then [ENTER] to choose this filter rule type. The first filter rule type determines all subsequent filter types within a set.

Select Yes to make the rule active.

6 is the TCP protocol.

The port number for the telnet service (TCP protocol) is 23. See

There are no more rules to check.

Select Drop here so that the packet will be dropped if its destination is the telnet port.

Select Equal here as you are looking for packets going to port 23 only.

RFC 1060 for port numbers of well- known services.

Select Forward here so that the packet will be forwarded if its destination is not the telnet port.

Figure 27-10 Example Filter: Menu 21.1.3.1

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

27-10 Filter Configuration