Cisco PIX 525 Spezifikationen PDF herunterladen (Seite 322)

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Cisco PIX Firewall and VPN Configuration Guide

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Chapter 9 Accessing and Monitoring PIX Firewall

Using Telnet for Remote System Management

Note To complete the configuration of the VPN client, refer to the vpngroup command in the Cisco

PIX Firewall Command Reference.

Using Telnet

Perform the following steps to test Telnet access:

Step 1 From the host, start a Telnet session to a PIX Firewall interface IP address.

If you are using Windows 95 or Windows NT, click Start>Run to start a Telnet session. For example, if

the inside interface IP address is 192.168.1.1, enter the following command.

telnet 192.168.1.1

Step 2 The PIX Firewall prompts you with a password:

PIX passwd:

Enter cisco and press the Enter key. You are then logged into the PIX Firewall.

The default password is cisco, which you can change with the passwd command.

You can enter any command on the Telnet console that you can set from the serial console, but if you

reboot the PIX

Firewall, you must log back into the PIX Firewall after it restarts.

Some Telnet applications such as the Windows 95 or Windows NT Telnet sessions may not support

access to the PIX

Firewall’s command history feature used with the arrow keys. However, you can access

the last entered commands by pressing Ctrl-P.

Step 3 Once you have Telnet access available, you may want to view ping information while debugging.

You can view ping information from Telnet sessions with the debug icmp trace command. The Trace

Channel feature also affects debug displays, which is explained in “

Trace Channel Feature.”

Messages from a successful ping appear as follows:

Outbound ICMP echo request (len 32 id 1 seq 512) 209.165.201.2 > 209.165.201.1

Inbound ICMP echo reply (len 32 id 1 seq 256) 209.165.201.1 > 209.165.201.23

Step 4 In addition, you can use the Telnet console session to view syslog messages:

a. Display start messages with the logging monitor 7 command. The “7” will cause all syslog message

levels to display.

If you are using the PIX Firewall in production mode, you may wish to use the logging buffered 7

command to store messages in a buffer that you can view with the show

logging command, and clear

the buffer for easier viewing with the clear logging command. To stop buffering messages, use the

no logging buffered command.

You can also lower the number from 7 to a lesser value, such as 3, to limit the number of messages

that appear.

b. If you entered the logging monitor command, then enter the terminal monitor command to cause

the messages to display in your Telnet session. To disable message displays, use the terminal no

monitor command.

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