User`s manual

P-660 Series Support Notes

Action Not Matched= Forward

You can now apply it to the 'General Ethernet Setup' in Menu 3.1. Please note that

the 'Generic Filter' can only be applied to the 'Device Filter' but not the 'Protocol

Filter' that is used for configuring the TCPIP and IPX filters.

Menu 3.1 - General Ethernet Setup

Input Filter Sets:

protocol filters=

device filters= 1

Output Filter Sets:

protocol filters=

device filters=

A filter for blocking the NetBIOS packets

Introduction

The NETBIOS protocol is used to share a Microsoft comupter of a workgroup. For

the security concern, the NetBIOS connection to a outside host is blocked by P-660

router as factory defaults. Users can remove the filter sets applied to menu 3.1 and

menu 4.1 for activating the NetBIOS services. The details of the filter settings are

described as follows.

Configuration

The packets need to be blocked are as follows. Please configure two filter sets with 4

and 2 rules respectively based on the following packets in SMT menu 21.

Filter Set 1:

Rule 1-Destination port number 137 with protocol number 6 (TCP)

Rule 2-Destination port number 137 with protocol number 17 (UDP)

Rule 3-Destination port number 138 with protocol number 6 (TCP)

Rule 4-Destination port number 138 with protocol number 17 (UDP)

Rule 5-Destination port number 139 with protocol number 6 (TCP)

Rule 6-Destination port number 139 with protocol number 17 (UDP)