log

Use the log option to specify additional types of information that can be included in the log messages generated by a signature.

Syntax:

--log <keyword>;

<keyword>	Description
dhcp_client	DHCP client MAC addresses will be added to the log message in the format dhcp_client=xx:xx:xx:xx:xx:xx;
dhcp_cc_id	Circuit ID in DHCP relay messages will be added to the log in the format dhcp_cc_id=4F4C2D30303143;
dns_query	DNS query strings will be added to the log in the format dns_query=www.yahoo.com;

Example:

--log DHCP_CLIENT;