Summary
Add an option to enable natEvents in ipt_NETFLOW to collect and send NAT translation events for NetFlow v9/IPFIX.
ipt-netflow doesn't send NAT translation events by default.
Reference snippet from ipt-netflow
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= Configure Options =
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Configure script allows to enable or disable optional features:
--enable-natevents
enables natevents (NEL) support, (this and option will require
conntrack support to be enabled into kernel and conntack
module (nf_conntrack) loaded before ipt_NETFLOW. Usually this is
done automatically because of `depmod', but if you don't do `make
install' you'll need to load nf_conntrack manually.
Read below for explanation of natevents.Use case
Exports NAT translation events for accurate logging, troubleshooting, and forensic analysis
Additional information
Perferable CLI command:
set system flow-accounting netflow natevent enable