Cisco PIX 525 Spezifikationen PDF herunterladen (Seite 336)

9-34

Cisco PIX Firewall and VPN Configuration Guide

78-15033-01

Chapter 9 Accessing and Monitoring PIX Firewall

Using Syslog

Replace syslogid with the numeric identifier assigned to the syslog message. Replace levelid with one

of the following numeric or text identifiers for the syslog level:

• 0—emergencies—System unusable messages

• 1—alerts—Take immediate action

• 2—critical—Critical condition

• 3—errors—Error message

• 4—warnings—Warning message

• 5—notifications—Normal but significant condition

• 6—informational—Information message

• 7—debugging—Debug messages and log FTP commands and WWW URLs

For example, if you want to log the message “denied by ACL” (106023), but you do not want to increase

the overall logging level, you can change the specific syslog level to Critical, as shown in the following

command:

pix(config)# logging message 106023 level critical

To restore the default syslog level for a specific message, precede the command with no. To restore all

of the currently changed syslog messages to their default levels, enter the following command:

pix(config)# clear logging level

By default, the emergencies level is not used for any PIX Firewall syslog messages, so you can use this

level to restrict syslog messages to those in which you are interested. To do this, change the level of

interesting messages to emergencies.

Disabling Syslog Messages

To disable a particular syslog message, enter the following command:

no logging message messageid

To reenable a specific message, enter the following command:

logging message messageid

To reenable all disabled messages, enter the following command:

clear logging disabled

Viewing Modified Message Levels

To view all messages with modified levels, enter the following command:

show logging level

To view the status of a particular message, enter the following command:

show logging message syslogid

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Cisco PIX 525 Spezifikationen Seite 336