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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:
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•
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Display NetBIOS Filter Settings
Diagram M-1 NetBIOS Display Filter Settings Command Example
Syntax:
sys filter netbios disp
This command gives a read-only list of the current NetBIOS filter modes.
Diagram M-2 NetBIOS Display Filter Settings Command Example
The filter types and their default settings are as follows.
NetBIOS Filter Commands
NetBIOS Filter Commands
Allow or disallow the sending of NetBIOS packets between the LAN and the WAN.
Allow or disallow the sending of NetBIOS packets through VPN connections.
Allow or disallow NetBIOS packets to initiate calls.
ras> sys filter netbios disp
=========== NetBIOS Filter Status ===========
Between LAN and WAN: Block
IPSec Packets: Forward
Trigger Dial: Disabled
ZyWALL 2 Series User's Guide
Appendix M
M-1
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