An investigator is checking a Cisco firewall log that reads as follows: Aug 21 2019 09:16:44: %ASA-1 -106021: Deny ICMP reverse path check from 10.0.0.44 to 10.0.0.33 on interface outside What does %ASA-1-106021 denote?
In Cisco firewall logs, the %ASA-1-106021 part of the log entry is a Mnemonic message.
Here's the breakdown:
%ASA: Indicates the type of device, which in this case is a Cisco ASA (Adaptive Security Appliance) firewall.
1: Denotes the severity level of the message (1 is for emergencies).
106021: This is the specific log message code that corresponds to a predefined event or action in the firewall.
So, %ASA-1-106021 represents a specific message type or mnemonic that details the nature of the event or action being logged.
B < https://networkengineer.me/2018/05/14/what-is-syslog-on-asa/
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