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Server Vs Client Response and Duration Times

I’ve been working my way through some new Cisco NetFlow exports recently called ART which stands for Application Response Time. ART is part of...

Free Virtual NetFlow Collector

A good number of evaluators have been asking me what’s the best way to evaluate our free virtual Netflow collector. There is a growing...

How Accurate is Sampled NetFlow?

I have been working with a number of customers recently who are required to use sampled NetFlow because of vendor configuration rules. In just...

Cisco ASA vs. Palo Alto

Firewalls play a critical role in protecting an organization’s network from a never-ending list of Internet-borne threats. Firewall selection often determines how easily remote...

Juniper MX240 IPFIX Support | Direction Problems

The other day I was helping an engineer who was trying to provide some Juniper MX240 IPFIX support when we ran into some “flow...

F5 IPFIX Support

A little while ago we posted an article on F5 IPFIX Support. I wanted to follow up on that and dig a little deeper on...

Why Is My Computer Connecting to Akamai Technologies?

Once in a while, I perform a cleanup of my personal computer that involves removing unnecessary and unwanted applications. It’s a huge headache, because...

Cisco Nexus 9000 NetFlow Configuration

Cisco Nexus 9000 NetFlow Configuration Recently I’ve received numerous request for a sample on the Cisco Nexus 9000 NetFlow configuration. This device has a...

Context-aware security

According to Gartner, when it comes to context-aware security, the most commonly cited context types are location and time. However, there are multiple types...