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ZyAIR G-1000 Access Point User’s Guide

NetBIOS Filter Commands I-1

Appendix I

NetBIOS Filter Commands

The following describes the NetBIOS packet filter commands. See the Command Interpreter appendix for

information on the command structure.

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 do the following :

• Allow or disallow the sending of NetBIOS packets between the LAN and WAN.

• Allow or disallow the sending of NetBIOS packets from the WAN to the LAN.

• Allow or disallow NetBIOS packets to initiate calls.

Display NetBIOS Filter Settings

Syntax: sys filter netbios disp

This command gives a read-only list of the current NetBIOS filter modes for a ZyAIR

Diagram 4 NetBIOS Display Filter Settings Command Without DMZ Example

The filter types and their default settings are as follows.

Chart 19 NetBIOS Filter Default Settings

NAME DESCRIPTION EXAMPLE

Between LAN

and WAN

This field displays whether NetBIOS packets are blocked or forwarded

between the LAN and the WAN.

Forward

=========== NetBIOS Filter Status ===========

Between LAN and WAN: Forward

IPSec Packets: Forward

Trigger Dial: Disabled

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ZyXEL Communications G-3000 Guide de l'utilisateur Page 183