ZyXEL Communications Prestige 681 Guía de usuario descargar pdf (Pagina 107)

Prestige 681 SDSL Router

Filter Configuration 9-15

9.4 Example Filter

Let’s look at the third default ZyXEL filter, TELNET_WAN (see

Figure 9-2

and

Figure 9-5

) as an

example. Please see our PNC Disk for more example filters. This filter is designed to block outside users

telnetting into the Prestige.

Figure 9-10 Telnet Filter Example

Step 1.

Enter

from the Main Menu to open

Menu 21 - Filter Set Configuration

Step 2.

Enter the index of the filter set you wish to configure (in this case, 3) and press

[ENTER]

Step 3.

Enter a descriptive name or comment in the

Edit Comments

field (in this case TELNET_WAN)

and press

[ENTER].

Step 4.

Press

[ENTER]

at the message: [Press ENTER to confirm] to open

Menu 21.1 - Filter Rules

Summary

Step 5.

Enter

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.

1 2 ... 102 103 104 105 106 107 108 109 110 111 112 ... 147 148

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ZyXEL Communications Prestige 681 Guía de usuario Pagina 107