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Firewall User Guide

Introduction

This chapter provides procedures for viewing or changing the configuration of a remote Firewall

unit. Two methods are provided to access a remote unit; the first method is modem-based and

the second method uses IP. Within the IP method, three applications can be used: 1) LAN-based

using Trivial File Transfer Protocol (TFTP), 2) Telnet as a client application, and 3) a standard

Web browser on the Internet.

Remote Configuration

Remote configuration requires that the Firewall software be loaded on the local PC. The local PC

then controls the remote Firewall wiether via the modem connection, or via the LAN.

Modem-Based

To configure a remote Firewall, a local PC must have the Firewall software installed and

configured to dial the remote Firewall, and must be connected to a dial-up line (i.e., modem). The

remote Firewall needs to have a modem connected to both a dial-up line and the Command Port

of the Firewall.

Local PC

Local Modem Remote Modem

Remote Firewall

ETHERNET

COMMAND

10BASET

OFF

RS232/V.35

POWER

RS232

PHONE LINE

POWER

Remote

Configuration

Cable

Short RJ-45

to DB-25

Cable

Figure 5-1. Modem-Based Remote Configuration

Once the connection to the remote unit is made, you can change the configuration as you see fit,

and once changed, you can download the new configuration to the remote Firewall. The following

procedure guides you through the setup of a modem-based remote configuration.

1 At the remote site, disconnect the the serial cable (attached to the PC) from the short RJ-

45 to DB-25 cable attached to the Command Port of the Firewall.

2 Connect a Remote Configuration Cable (a serial cable with male connectors on both

ends) to the short RJ-45 to DB-25 cable attached to the Command Port of the Firewall

and to the RS-232 connector on the modem (see Figure 5-1).

Connect the modem to your local telephone line.

Provide your telephone number to the person verifying your configuration.

3 At the main site, connect your local PC to a modem that is connected to a dial-up line.

4 Install the Firewall software on the local PC. When installed, click Start | Programs |

Firewall | Configuration Port Setup, or double click on the Configuration Port icon in

the Firewall program group.

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