Intel 9535, 9515, 9525 manual Src. port 1023 Action Pass Protocol

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DMZ Firewall Solution for the Express Router

Filter

2

3

4

5

6

7

8

Function

Allows FTP (both active and passive) from the Internet to the HTTP/FTP server on the DMZ.

Three filters are required.

Allows external ping to HTTP/FTP server on the DMZ.

Allows external HTTP from HTTP/FTP proxy on the DMZ.

Allows external FTP from HTTP/FTP proxy server on the DMZ (see note 1).

Two filters are required.

Settings

Src. port:

> 1023

Action:

Pass

Protocol:

TCP

TCP flags:

All

Dest. address type:

Host

Dest. address:

193.84.251.1

dest port:

= 21

Src. address type:

All

Src. port:

> 1023

Action:

Pass

Protocol:

TCP

TCP flags:

ACK

Dest. address type:

Host

Dest. address:

193.84.251.1

dest port:

= 20

Src. address type:

All

Src. port:

> 1023

Action:

Pass

Protocol:

TCP

TCP flags:

All

Dest. address type:

Host

Dest. address:

193.84.251.1

dest port:

>1023

Src. address type:

All

Src. port:

>1023

Action:

Pass

Protocol:

ICMP

Dest. address type:

Host

Dest. address:

193.84.251.1

Src. address type:

All

Action:

Pass

Protocol:

TCP

TCP flags:

ACK

Dest. address type:

Host

Dest. address:

193.84.251.2

Dest. port

> 1023

Src. address type:

All

Src. port:

= 80

Action:

Pass

Protocol:

TCP

TCP flags:

ACK

Dest. address type:

Host

Dest. address:

193.84.251.2

Dest. port

> 1023

Src. address type:

All

Src. port:

> 1023

Action:

Pass

Protocol:

TCP

TCP flags:

ACK

07-12-99

Version 1.0

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Contents DMZ Firewall Solution Copyright 1999, Intel Corporation. All rights reserved Table of Contents About This Document What is a DMZIntroduction ReferencesIP Address Selection General Setup and ConsiderationsIP Filters in the Express Router Mail Smtp Setup Routing SetupDNS Setup FTP SetupNetwork Address Translation NAT Setup DMZ Single IP Address SolutionStatic Routing Setup Entry Function IP Filters SetupSettings Receive Rx Filters on LAN1Filter Function Transmit Tx Filters on LAN1Src. address 10.2.0.2 Src. port Action Pass Protocol 2 LAN2 Filters Receive Rx Filters on LAN2Filter Function Settings RIPTransmit Tx filters on LAN2 Settings Internet Connection Filters Receive Rx Filters on the connection to the InternetAction Pass Protocol UDP Transmit Tx Filters on the Connection to the Internet DMZ Multiple IP Address Solution IP Address AssignmentNetwork Address Translation NAT Transmit Tx Filters on LAN1 Settings Src. port Action Pass Protocol Dest. address type All Dest port Src. address type All Src. port Action Discard Protocol Action Discard Protocol Transmit Tx filters on LAN2 Src. port 1023 Action Pass Protocol UDP Transmit Tx Filters on the Connection to the Internet
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