Appendix 3 Hard-Coded Packet Filter For "Netbios Over Tcp/Ip" (Nbt) - ZyXEL Communications ZyWall 2 Plus Firmware Release Notes

Appendix 3 Hard-coded packet filter for "NetBIOS over TCP/IP" (NBT)

The new set C/I commands is under "sys filter netbios" sub-command. Default values
of any direction are "Forward", and trigger dial is "Disabled".
There are two CI commands:
(1) "sys filter netbios disp": It will display the current filter mode.
Example ouput:
=============== NetBIOS Filter Status ===============
LAN to WAN:
WAN to LAN:
IPSec Packets:
Trigger Dial:
(2) "sys filter netbios config <type> {on|off}": To configure the filter mode for each
type.
Current filter types and their description are:
Type
0
1
6 IPSec pass through
7
Example commands:
sys filter netbios config 0 on => block LAN to WAN NBT packets
sys filter netbios config 1 on => block WAN to LAN NBT packets
sys filter netbios config 6 on => block IPSec NBT packets
sys filter netbios config 7 off => disable trigger dail
Block
Forward
Forward
Disabled
Description
LAN to WAN
WAN to LAN
Trigger dial
Default mode
Forward
Forward
Forward
Disabled