ZyXEL Communications Prestige 643 - Manual (Page 118)

Prestige 643 ADSL Router
8-18 Filter Configuration
Figure 8-13 Telnet Filter Example
Step 1. Enter 21 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 display Menu 21.3 - Filter
Rules Summary.