ZyXEL 791R 91-004-247001B Manual Do Utilizador

Prestige 791R G.SHDSL Router 

filter set(s) that you want to apply as appropriate. You can choose up to four filter sets (from twelve) by 
typing their numbers separated by commas, for example, 3, 4, 6, 11. The factory default filter set, 
NetBIOS_LAN, is inserted in the protocol filters field under Input Filter Sets in menu 3.1 in order to 
prevent local NetBIOS messages from triggering calls to the DNS server. 

Apply filter 2 to 

block NETBIOS 

traffic from the 

LAN 

Menu 3.1 – LAN Port Filter Setup 

 

Input Filter Sets:

protocol filters= 

device filters=

Output Filter Sets:

protocol filters=

device filters=

 

 

 
2 

 

            Press ENTER to Confirm or ESC to Cancel:

Go to menu 11.5 (shown next) and type the number(s) of the filter set(s) as appropriate. You can cascade up 
to four filter sets by typing their numbers separated by commas. The factory default filter set, 
NetBIOS_WAN, is inserted in the protocol filters field under Call Filter Sets in menu 11.5 to block local 
NetBIOS traffic from triggering calls to the ISP. 

 

                     Menu 11.5 - Remote Node Filter 

 

                    Input Filter Sets: 

                      protocol filters= 3,4,5 

                        device filters= 
                    Output Filter Sets: 

                      protocol filters=  

                        device filters= 

                      Call Filter Sets: 

                      Protocol filters= 1 

                        Device filters= 
 

Enter here to CONFIRM or ESC to CANCEL: 

Apply filter 1 to block 

NETBIOS traffic to 

the WAN. 

Apply filter 3 to block 

Telnet traffic from the 

WAN; filter 4 to allow 

PPPoE packets only, and 

filter 5 to deny FTP traffic 

from the WAN.  

Note that call filter sets are visible when you select PPPoA or PPPoE encapsulation.    

 

Filter Configuration 

 

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