Identify more than just the ingress and egress packet throughput on your ASA Firewall
Posted in ASA, NetFlow, Scrutinizer on October 15th, 2009 by scottr
NSEL (NetFlow Security Event Logging) is the type of NetFlow exported from an ASA Firewall. The purpose of NSEL is to track firewall events via NetFlow and to have a summary of all conversations associated with that event type.
The three most popular event types that trigger a NetFlow record are:
* flow-create
* flow-denied
* flow-teardown
