Filter
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ZyWALL 2 and ZyWALL 2WE
66 NetBIOS Filter Commands
Chart O-1 NetBIOS Filter Default Settings
NAME DESCRIPTION EXAMPLE
LAN to WAN This field displays whether NetBIOS packets are blocked or forwarded
from the LAN to the WAN.
Forward
WAN to LAN This field displays whether NetBIOS packets are blocked or forwarded
from the WAN to the LAN.
Forward
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
NetBIOS Filter Configuration
Syntax:
sys filter netbios config <type> <on|off>
where
<type> =
Identify which NetBIOS filter (numbered 0-3) to configure.
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