Michael Patterson : Advanced NetFlow Traffic Analysis
Michael Patterson
Founder and Product manager for Plixer's Scrutinizer NetFlow and sFlow Analyzer as well as Flow Analytics.

As we Predicted in 2015, VW Managers are Being Indicted

On Thursday, a federal grand jury in Detroit, Michigan, indicted four Audi executives for playing a role in the diesel cheating scandals...

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D.C., Virginia, Most Concerned About Phishing Attacks

Phishing is a global scourge. Just today, Danny Palmer at ZDNET writes an excellent piece about how cybercrime is a $600...

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What's Big This Year in Telecom? Vote Now!

TMCnet and Andy Abramson and his company Comunicano are asking in the first annual VoIPWatch Poll.. The results will be revealed at...

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PHISH360 Helps Solve The $12.5B Phishing Problem

The FBI says email attacks cost business $12.5 billion!This is in-part because hacking into a person's account could be as easy as...

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Can't Miss at ITEXPO Jan 29-Feb 1st in Florida

Thanks to your feedback, we have been building ITEXPO into the most comprehensive business tech event around focusing on communications and IT.First...

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At IoT Evolution See Cisco, Google, Nokia and What Matters

IoT Evolution Expo returns to Fort Lauderdale, Florida, Jan 29-Feb 1st, 2019 with an amazing agenda.Attendees tell us they love this event...

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The Apple Stroke of Genius You Missed

If you listened to the financial experts after the news broke that Apple guided lower last night, phones are now commodities, Apple...

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Riverbed NetFlow Analyzer

August 12, 2014

Last year we had a customer contact us to help them invest in the ideal Riverbed NetFlow Analyzer. After receiving a good size packet capture, I spent some time with the other engineers developing a whole bunch of new reports.

NetFlow Calculator for Supermen!

June 4, 2014

When sizing a NetFlow or IPFIX collection appliance, many consumers go looking for a NetFlow calculator.  In order to do some calculations, you'll need to have some numbers handy. For example, what volume of flows per second can all of the hardware combined generate?  This is an important question because it will likely influence the type of collector your team invests in.

A software based collector should be able to scale to well over 40,000 flows per second which is over a couple million flows per minute.  A hardware based solution should scale to well over 100,000 flows per second.  If the solution can be distributed, collection rates well into the multi millions, should be attainable.  The problem that customers need to be aware of is that flow volume is not always directly related to bandwidth consumed.



Software Defined Networks Demystified: 5 Truths

March 15, 2014

For those trying to understand what a Software Defined Network (SDN) is, this post demystifies many of the benefits promised by SDN adversaries.  To do this, I will draw out 5 areas that help you comprehend the truth about where it promises to deliver. First keep in mind that a SDN is broken into two parts: the Control and Data planes.



Cisco AVC Reporting: Flexible NetFlow Configuration

March 9, 2014

The configuration below provides details on how to configure Cisco AVC Reporting / exports in IOS EX. For those of you new to Cisco Application Visibility and Control (AVC) exports.  This configuration allows network administrators to use flow data to report on details such as URLs, latency, retransmits, packet size, TCP window size, jitter, packet loss, etc. Note also that Cisco is making the switch from NetFlow to IPFIX. Check it out:



Configuring Citrix AppFlow Support

February 3, 2014

We have included AppFlow support in our solution for years. This post tries to help with how to configure it so that you can take your AppFlow network traffic analysis to the next level.  

Note: AppFlow can be enabled only on nCore NetScaler appliances.





Palo Alto NetFlow Configuration

January 14, 2014

Today I’m covering the Palo Alto NetFlow Configuration steps.  This is a pretty straight forward two step process that is easy to complete and is supported on all Palo Alto firewalls except the PA-4000 series models.  



Been Hacked - What will you do?

December 12, 2013

Is your company a financial institution or a government agency that fears it may have been hacked?  How do you know and if you have been penetrated, what are the hackers doing?  What will you do about it?



Cisco AVC Webcast - Future Proof your Network

October 8, 2013

Last month I co-hosted a webcast with Liad Ofek, Technical Marketing Manager at Cisco on the topic of Application Visibility and Control (AVC). It was one of our most successful webcasts ever and it is now available to those who couldn’t make the event.



UserName with NetFlow or IPFIX

September 15, 2013

Ask any network administrator trying to track down the end user of a suspect traffic pattern, whether they would rather have the IP address or username and they will likely tell you ‘both’.  Several vendors are now including both in their NetFlow and IPFIX exports.



AKCP Reseller : AKCP Distributor

August 1, 2013

Setting up server room monitoring or any type of environmental monitoring may lead you to the largest AKCP Reseller or AKCP Distributor in the United States. The sensorProbe2 is the BitSight 2 from Ravica.com. They carry an entire line of environmental monitoring sensors for nearly every type of environmental condition.  Examples include temperature monitoring, humidity monitoring, smoke detection, airflow, fuel level sensors, water detection, etc.



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