Netbios Filter Configuration - ZyXEL Communications ZyXEL ZyWALL 2WE User Manual

Zyxel internet security gateway user's guide
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ZyWALL 2 and ZyWALL 2WE
NAME
LAN to WAN
This field displays whether NetBIOS packets are blocked or forwarded
from the LAN to the WAN.
WAN to LAN
This field displays whether NetBIOS packets are blocked or forwarded
from the WAN to the LAN.
IPSec Packets
This field displays whether NetBIOS packets sent through a VPN
connection are blocked or forwarded.
Trigger dial
This field displays whether NetBIOS packets are allowed to initiate
calls. Disabled means that NetBIOS packets are blocked from initiating
calls.

NetBIOS Filter Configuration

Syntax:
sys filter netbios config <type> <on|off>
where
Identify which NetBIOS filter (numbered 0-3) to configure.
<type> =
0 = LAN to WAN
1 = WAN to LAN
6 = IPSec packet pass through
7 = Trigger Dial
<on|off> =
For types 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 6, 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 7, use on to allow NetBIOS packets to initiate dial backup calls. Use off to
block NetBIOS packets from initiating dial backup calls.
Example commands
Command:
sys filter netbios config 0 on
This command blocks LAN to WAN NetBIOS packets
66
Chart O-1 NetBIOS Filter Default Settings
DESCRIPTION
EXAMPLE
Forward
Forward
Forward
Disabled
NetBIOS Filter Commands

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