APPENDIX E " OWL/IP

Alternatively, if a limited set of known applications is to be supported, filters may be set to selectively pass listed Port numbers. Following is the [Frame Types] screen:

 

Action

Scope

DIX-IP-TCP Ports

<Drop>

<Unlisted>

DIX-IP-UDP Ports

<Drop>

<Unlisted>

 

 

 

For example, to support FTP (data and control) and Telnet, enable protocol ports 20, 21, and 23, respectively.

The above IP port numbers are specified as decimal values. These can be input directly by following the entry with a decimal point; for example, “20.” Values are displayed in the table as hexadecimal values: 14, 15, and 17.

Following is the [SubTypes 1] screen:

 

Action

SubType

Value

DIX-ARP

<Pass>

<DIX-EtherType>

08 06

 

SNAP-ARP

<Drop>

<SNAP-EtherType>

08 06

 

802.2-IPX-RIP

<Drop>

<802.2-IPX-Socket>

04 51

 

802.2-IPX-SAP

<Drop>

<802.2-IPX-Socket>

04 53

 

NNL

<Pass>

<DIX-EtherType>

87 5b

NETBIOS

<Drop>

<802.2-SAP>

f0 f0

1

<Pass>

<DIX-IP-Protocol>

00 01

 

2

<Pass>

<DIX-IP-TCP-Port>

00 14

 

3

<Pass>

<DIX-IP-TCP-Port>

00 15

 

4

<Pass>

<DIX-IP-TCP-Port>

00 17

 

.

 

 

 

 

.

 

 

 

 

16

<Drop>

<DIX-IP-TCP-Port>

00 00

 

 

 

 

 

 

E-186710 Access Point User’s Guide

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Image 240
Intermec 6710 manual Action Scope DIX-IP-TCP Ports Drop Unlisted DIX-IP-UDP Ports