ZyXEL Communications Internet Security Gateway ZyWALL 2 Series User Manual page 582

ZyWALL 2 User's Guide
NAME
Between LAN This field displays whether NetBIOS packets are blocked or forwarded
and WAN between the LAN and the WAN.
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
<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 types 0, 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
Command: sys filter netbios config 0 on
This command blocks LAN to WAN and WAN to LAN NetBIOS packets
sys filter netbios config 3 on
Command:
This command blocks IPSec NetBIOS packets
M-2
Chart M-1 NetBIOS Filter Default Settings
DESCRIPTION EXAMPLE
Forward
Forward
Disabled
NetBIOS Filter Commands