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ZyXEL Communications P-334W User Manual

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Prestige 334W User’s Guide 
 
NetBIOS Filter Commands         
                                                                                       C-1 
Appendix C 
NetBIOS Filter Commands 
The following describes the NetBIOS packet filter commands.  
Introduction 
NetBIOS (Network Basic Input/Output System) are TCP or UDP broadcast packets that enable a computer to 
connect to and communicate with a LAN.  
For some dial-up services such as PPPoE or PPTP, NetBIOS packets cause unwanted calls. 
You can configure NetBIOS filters to: 
•  Allow or disallow the sending of NetBIOS packets from the LAN to the WAN and from the WAN 
to the LAN. 
•  Allow or deny NetBIOS packets to be sent through VPN connections. 
•  Block or forward NetBIOS packets from initiating calls. 
Display NetBIOS Filter Settings 
Syntax: 
sys filter netbios disp 
This command displays the current NetBIOS filter settings. 
 
 
 
Diagram C-1 NetBIOS Display Filter Settings Command 
The filter types and their default settings are as follows. 
 
=========== NetBIOS Filter Status =========== 
        Between LAN and WAN: Block 
        IPSec Packets: Forward 
        Trigger Dial: Disabled