Cisco Cisco Email Security Appliance C160 Mode D'Emploi
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AsyncOS 9.1.2 for Cisco Email Security Appliances User Guide
Chapter 38 Logging
Log Subscriptions
•
Whether to record the remote response status code.
•
Whether to record the subject header of the original message.
•
A list of headers that should be logged for each message.
All logs optionally include the following three pieces of data:
1.
Message-ID
When this option is configured, every message will have its Message ID header logged, if it is
available. Note that this Message-ID may have come from the received message or may have been
generated by AsyncOS itself. For example:
available. Note that this Message-ID may have come from the received message or may have been
generated by AsyncOS itself. For example:
2.
Remote Response
When this option is configured, every message will have its remote response status code logged, if
it is available. For example:
it is available. For example:
The remote response string is the human-readable text received after the response to the DATA
command during the delivery SMTP conversation. In this example, the remote response after the
connection host issued the data command is “queued as 9C8B425DA7.”
command during the delivery SMTP conversation. In this example, the remote response after the
connection host issued the data command is “queued as 9C8B425DA7.”
Whitespace, punctuation, (and in the case of the 250 response, the OK characters) are stripped from
the beginning of the string. Only whitespace is stripped from the end of the string. For example,
Email Security appliances, by default, respond to the DATA command with this string: 250 Ok:
Message MID accepted. So, the string “Message MID accepted” would be logged if the remote host
were another Email Security appliance.
the beginning of the string. Only whitespace is stripped from the end of the string. For example,
Email Security appliances, by default, respond to the DATA command with this string: 250 Ok:
Message MID accepted. So, the string “Message MID accepted” would be logged if the remote host
were another Email Security appliance.
3.
Original Subject Header
When this option is enabled, the original subject header of each message is included in the log.
Tue Apr 6 14:38:34 2004 Info: MID 1 Message-ID Message-ID-Content
Tue Apr 6 14:38:34 2004 Info: MID 1 RID [0] Response 'queued as 9C8B425DA7'
[...]
250 ok hostname
250 Ok: queued as 9C8B425DA7
Tue May 31 09:20:27 2005 Info: Start MID 2 ICID 2
Tue May 31 09:20:27 2005 Info: MID 2 ICID 2 From: <mary@example.com>
Tue May 31 09:20:27 2005 Info: MID 2 ICID 2 RID 0 To: <joe@example.com>
Tue May 31 09:20:27 2005 Info: MID 2 Message-ID '<44e4n$2@example.com>'
Tue May 31 09:20:27 2005 Info: MID 2 Subject 'Monthly Reports Due'