ZyXEL Communications Internet Security Gateway ZyWALL 2 Series - Manual (Page 582)

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