ZyXEL Communications ZyWALL5UTM 4.0 User Manual

ZyWALL 5/35/70 Series User’s Guide

Appendix O NetBIOS Filter Commands

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sys filter netbios 
config 3 on

This command blocks IPSec NetBIOS packets.

sys filter netbios 
config 4 off

This command stops NetBIOS commands from initiating calls.