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ZyWALL 10/50 Internet Security Gateway
X NetBIOS Filter Commands
The filter types and their default settings are as follows.
NAME DESCRIPTION DEFAULT
LAN to WAN This field displays whether NetBIOS packets are blocked or
forwarded from the LAN to the WAN.
Forward
LAN to DMZ This field displays whether NetBIOS packets are blocked or
forwarded from the LAN to the DMZ.
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 = LAN to DMZ
2 = IPSec Packets
3 = 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 2, 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 3, use on to allow NetBIOS packets to initiate calls.
Use off to block NetBIOS packets from initiating calls.
Example commands
Command:
sys filter netbios config 0 on
This command blocks LAN to WAN NetBIOS packets