ZyXEL Communications P-335WT User Manual

P-335 Series User’s Guide

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Server Specifications

The filter types and their default settings are as follows.

Table 165   NetBIOS Filter Default Settings 

Between LAN 
and WAN

This field displays whether NetBIOS packets are blocked or forwarded 

between the LAN and the WAN.

Block

IPSec 
Packets

This field displays whether NetBIOS packets sent through a VPN 

connection are blocked or forwarded. 

Forward

Trigger 
dial

This field displays whether NetBIOS packets are allowed to initiate 

calls. Disabled means that NetBIOS packets are blocked from initiating 

calls.

Disabled

Syntax:sys filter netbios config <type> <on|off>

where

<type>  =

Identify which NetBIOS filter (numbered 0-3) to configure.

0 = Between LAN and WAN

3 = IPSec packet pass through

4 = Trigger Dial

<on|off>  =

For type 0 and 1, use on to enable the filter and block NetBIOS packets. 

Use off to disable the filter and forward NetBIOS packets.
For type 3, use on to block NetBIOS packets from being sent through a VPN 

connection. Use off to allow NetBIOS packets to be sent through a VPN 

connection.
For type 4, use on to allow NetBIOS packets to initiate dial backup calls. 

Use off to block NetBIOS packets from initiating dial backup calls.

Example commands

sys filter netbios 
config 0 on

This command blocks LAN to WAN and WAN to LAN NetBIOS packets.

sys filter netbios 
config 3 on

This command blocks IPSec NetBIOS packets.

sys filter netbios 
config 4 off

This command stops NetBIOS commands from initiating calls.