NAT

A practical guide to finding NAT Traffic

In a previous post, we described how to search for NATed traffic within Scrutinizer. No matter which solution you are using to collect NetFlow and metadata, you’ve likely noticed that when your firewall creates a NAT address, that address becomes the source and destination within your flows. This makes your flow data less useful. In this post, …

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Cisco ASR NAT: Advanced Network Reporting Solution

Did you know that using an advanced network reporting solution you can log NAT and firewall events from a Cisco ASR router to a flow collector, and report on this data using NetFlow v9? I’ve been working with a service provider that deploys ASR1006 routers at his ISP’s internet Edge.  They use private IP addressing …

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