Amazon_CloudWatch_13
Real-time monitoring of API calls can be achieved by directing CloudTrail Logs to CloudWatch Logs and establishing corresponding metric filters and alarms. Routing tables are used to route network traffic between subnets and to network gateways. It is recommended that a metric filter and alarm be established for changes to route tables.
Perform the following to ensure a log metric filter and alarm exist for route table changes
Note : Filter pattern for route table changes
filterPattern”: “{ ($.eventName = CreateRoute) || ($.eventName = CreateRouteTable) ||
($.eventName = ReplaceRoute) || ($.eventName = ReplaceRouteTableAssociation) ||
($.eventName = DeleteRouteTable) || ($.eventName = DeleteRoute) || ($.eventName =
DisassociateRouteTable) }”
Perform the following to setup the metric filter, alarm, SNS topic, and subscription:
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