ZyXEL Communications Parental Control Gateway HS100/HS100W Betriebsanweisung PDF herunterladen (Seite 273)

HomeSafe User’s Guide

27-10 Filter Configuration

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.

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.

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 S

ace Bar to To

le.

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

RFC 1060 for port numbers of well-

known services.

Select Equal here

as you are looking

for packets going

to port 23 only.

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 Forward here so that the

packet will be forwarded if its

destination is not the telnet port.

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