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Installation from Scratch of a Cisco Pix

Introduction

The installation of a Cisco device is not very complicated, but if you're not familiar with it, it's not always obvious. That's why I made this small guide, since it's not something we do every day.

Installation

Connected via serial port? Let's get started:

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Pre-configure PIX Firewall now through interactive prompts [yes]?
Enable password [<use current password>]: mot_de_passe
Clock (UTC):
 Year [2007]:
 Month [May]:
 Day [23]:
 Time [02:57:33]: 12:01:00
Inside IP address: 192.168.0.77
Inside network mask: 255.255.255.0
Host name: hk-pix-bak
Domain name: mon_domaine
IP address of host running PIX Device Manager: 192.168.0.104

The following configuration will be used:
Enable password: mot_de_passe
Clock (UTC): 12:01:00 May 23 2007
Inside IP address: 192.168.0.77
Inside network mask: 255.255.255.0
Host name: hk-pix-bak
Domain name: mon_domaine
IP address of host running PIX Device Manager: 192.168.0.104

Use this configuration and write to flash? y

To summarize: - Inside IP address: this is the address of the Cisco device - IP address of host running PIX Device Manager: this is the address of the machine that will have the right to connect via HTTPS to configure the PIX

Activation of Telnet

Here, we want to enable telnet on the inside interface for the network 192.168.0.0:

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telnet 192.168.0.0 255.255.255.0 inside

Now, we can verify that it works:

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# show run | grep telnet
telnet 192.168.0.0 255.255.255.0 inside
telnet timeout 5