Flow Messages (Part-2)

Vendor Documentation

https://documentation.meraki.com/General_Administration/Monitoring_and_Reporting/Syslog_Event_Types_and_Log_Samples

Log Fields and Parsing

This section details the log fields available in this log message type, along with values parsed for both LogRhythm Default and LogRhythm Default v2.0 policies. A value of "N/A" (not applicable) means that there is no value parsed for a specified log field.

Log Field	LogRhythm Default	LogRhythm Default v2.0
Header: Severity	<severity>	N/A
N/A	N/A	N/A
N/A	N/A	N/A
N/A	N/A	<object>
N/A	N/A	<vendorinfo>
N/A	<status>	N/A
N/A	<command>	<action> <tag1>
src	<sip>	<sip>
dst	<dip>	<dip>
mac	<smac>	<dmac>
protocol	<protname>	<protname>
sport	<sport>	<sport>
dport	<dport>	<dport>
pattern	<command> <tag1>	N/A

Log Processing Settings

This section details log processing changes made from the LogRhythm Default policy to LogRhythm Default v2.0. In some cases, base rules are broken down into sub-rules to appropriately parse log message types by their event types.

LogRhythm Default

Regex ID	Rule Name	Rule Type	Common Event	Classification
1005925	Flow Messages	Base Rule	IP Flow Events	Network Traffic
	ICMP Flow	Sub Rule	ICMP Flow Events	Network Traffic
	TCP Flow	Sub Rule	TCP Flow Events	Network Traffic
	UDP Flow	Sub Rule	UDP Flow Events	Network Traffic
	Network Deny	Sub Rule	Traffic Denied by Network Firewall	Network Deny
	Network Allow	Sub Rule	Traffic Allowed by Network Firewall	Network Allow

LogRhythm Default v2.0

Regex ID	Rule Name	Rule Type	Common Event	Classification
1013072	V 2.0 Flow Allowed/Denied By Layer 3 Firewall Evt	Base Rule	Flow Activity	Network Traffic
	V 2.0 Flow Allowed	Sub Rule	Traffic Allowed by Network Firewall	Network Allow
	V 2.0 Flow Denied	Sub Rule	Traffic Denied by Network Firewall	Network Deny