P-662H/HW-D Series User’s Guide
435
APPENDIX I
NetBIOS Filter Commands
The following describes the NetBIOS packet filter commands. See Appendix J on page 437
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 from the LAN to the WAN and from
the WAN to the LAN.
• Allow or disallow the sending of NetBIOS packets through VPN connections.
• Allow or disallow NetBIOS packets to initiate calls.
Display NetBIOS Filter Settings
This command gives a read-only list of the current NetBIOS filter modes for The ZyXEL
Device.
NetBIOS Display Filter Settings Command Example
Syntax:
sys filter netbios disp
=========== NetBIOS Filter Status ===========
Between LAN and WAN: Block
IPSec Packets: Forward
Trigger Dial: Disabled
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