ZyXEL Communications 10 - Manual (Page 458)

ZyWALL 10~100 Series Internet Security Gateway
66 NetBIOS Filter Commands
<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
Command: sys filter netbios config 1 off
This command forwards WAN to LAN NetBIOS packets
Command: sys filter netbios config 6 on
This command blocks IPSec NetBIOS packets
Command:
sys filter netbios config 7 off
This command stops NetBIOS commands from initiating calls.