Gartner Magic Quadrant: SonicWALL – IPFIX

Posted in NetFlow, Network Traffic Monitor, Security, SonicWALL on April 18th, 2012 by James FT
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SonicWALL OEMs Plixer’s Scrutinizer for NetFlow and IPFIX Reporting and lands a top spot in the Gartner Magic Quadrant under the Unified Threat Management (UTM) category.

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James

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Monitoring Mobile Devices with NetFlow and IPFIX

Posted in Flow Analytics, IPFIX, NetFlow, NetFlow Analyzer, Network Monitoring, Network Problem Resolution, Scrutinizer, Security, SonicWALL, Third Party Integration on December 2nd, 2011 by Brian
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Not long ago, Rich Tehrani from TMCnet sat down to interview our very own Product Manager Michael Patterson to talk NetFlow, IPFIX and the recent influx of mobile devices on corporate networks around the world. Mike is a technology entrepreneur who has spent the last 15 years chasing his passion of designing and implementing high value products that help manage networks, large and small. His projects include Read more »

Brian

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FlowFest™ 2011: Advanced NetFlow Training

Posted in NetFlow, NetFlow Analyzer, Network Monitoring, Network Traffic Monitor, Scrutinizer, Security, sFlow, SonicWALL, Third Party Integration on September 6th, 2011 by Matt S
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FlowFest 2011 Lobster BakeDo you remember exactly what you were doing July 26th? If you were at Plixer’s FlowFest 2011 you were eating fresh Maine lobster after a successful day of advanced NetFlow training!

What’s that you say? You were cleaning the garage instead? If you weren’t able to attend this year, no worries, there’s always next year! FlowFest is a premiere NetFlow training event, hosted annually in the beautiful coastal town of Wells, Maine. (Thanks to everyone for the pictures!)

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Matt

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IPv6 Day: Mission Complete

Posted in NetFlow, Network Traffic Analysis, Scrutinizer, Security on June 15th, 2011 by Matt S
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transition to IPv6

What do IPv6 Day and Y2K have in common? I’ll break it down for you real simple: a lot of stuff happened, but most of us never noticed. Now, let me explain in detail…

Internet Protocol Version 6 (IPV6) is the newest technology that has everyone stirring for solutions to problems that hadn’t yet been fully realized. Not until IPv6 day, that is. As digital consumers, we need our information to be retrieved faster than ever, and all connectivity is expected to be warp speed. The current IPv4 exhaustion crisis is eerily similar to Y2K in that the eventual outcome was expected to go two different ways: either nothing will happen or complete Armageddon will ensue. But there’s also a fundamental difference: we’re not nearly as worked up about IPv4 exhaustion as we were about Y2K ahead of the fact.

Each IPV4-to-IPV6 and IPV6-to-IPV4 conversion adds an extra “hop” and requires a large amount of computing power to process information about who you are trying to talk to, and who you are known by on the other end. The coexistence of both protocols seems to be consistent with a family traveling on vacation; precious vacation time is wasted by the family (IPv4) driving to the airport, then transferring to a plane (IPv6), in an overall attempt to save time in the air. In the fastest scenario possible, you wouldn’t want to use two means of transportation, instead opting to use your private plane in the back yard (IPv6).

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Matt

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Free NetFlow Software

Posted in NetFlow, NetFlow Analyzer, Network Health Report, Network Problem Resolution, Network Traffic Analysis, Network Traffic Monitor, Scrutinizer, Security, sFlow on January 26th, 2011 by danny
free-netflow-software
There are many network management software applications with NetFlow reporting capability; however,  only few provide features that truly take advantage of available NetFlow information. When one is choosing a NetFlow reporting tool, it is important to consider certain factors:
- What will be the main use for NetFlow?
- Is real-time reporting or historical reporting more important?
- Is it  traffic analysis including application and user monitoring?
- How much are you willing to pay for the product?
- Do your switches/routers support NetFlow?
- Is scalability a concern?

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CA signed SSL Certificate Configuration for your NetFlow and sFlow Analyzer

Posted in General, NetFlow, NetFlow Analyzer, Scrutinizer, Security, sFlow on January 4th, 2011 by danny
ca-signed-ssl-certificate-configuration-for-your-netflow-and-sflow-analyzer

In this blog I want to talk about how to configure SSL for our NetFlow and sFlow Analyzer web authentication.  The standard procedure to configuring SSL for HTTPS redirection has three basic steps.

  1. Generating SSL files.
  2. Installing a CA signed certificate.
  3. Configuring Apache to use SSL.

A. GENERATING SSL FILES

Three files are generated as a result of this process: the private key(.key), the Certificate Signing Request (.csr), and the public key or SSL certificate (crt). The private key contains encrypted information that identifies an institution or company. The Certificate Signing request contains the information found in the private key and a public key to be signed by a Certificate Authority (CA). Read more »

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Network admins, what’s your holiday season atmosphere ?

Posted in General, NetFlow, NetFlow Analyzer, Network Problem Resolution, Network Traffic Analysis, Network Traffic Monitor, Scrutinizer, Security on December 17th, 2010 by danny
network-admins-whats-your-holiday-season-atmosphere
  • For most of you, troubled days are already over, your black list users are on vacation and things are starting to slow down.
  • Other admins are under fire, on one hand trying to catch up with to-dos so that new equipment is approved for next year’s budget.  On the other hand, stuck with a frustrated user who needs their problem taken care of quickly so that they can go catch that flight to a Christmas family reunion.
  • The luckiest are those already on vacation and will be coming back to work next year.

To avoid  network headaches this holiday season: Read more »

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London is nice this time of year

Posted in IT News, NetFlow Analyzer, Netflow Detective, Security on October 9th, 2010 by jimmyd
london-is-nice-this-time-of-year

One of the highlights of my job is being able to work with people from all over the world. Calls from China, GotoMeetings with Norway and video conferencing with the UK are all day to day activities for me. This month is a little different. Yesterday was the first day of my world wind trip to London, Dublin and Paris.

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Jimmy D the Netflow Detective

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Juniper SRX series Gateway supports J-Flow

Posted in NetFlow Analyzer, Network Health Report, Network Problem Resolution, Network Traffic Analysis, Network Traffic Monitor, Scrutinizer, Security, sFlow on August 13th, 2010 by danny
juniper-srx-series-gateway-supports-j-flow

There is no doubt that flow technology is revolutionizing network monitoring. In this  NetFlow/J-Flow/IPFIX/sFlow era, there is no need to settle with only knowing utilizations on the network. Besides, little analysis can be done in monitoring bandwidth only anyways.

Scott wrote a blog earlier that made a valid point: “A Network Administrator’s abilities are only as good as his awareness of what happens on his network.” In harmony with that statement, it’s beneficial to have useful tools to be able to collect that traffic information.

Juniper logoRecently, I learned that J-Flow is supported for the Juniper SRX series Gateways. I thought this might be good information for people who want to start monitoring flows on this type of device, especially our NetFlow and sFlow Analyzer users, since it can also process J-Flow packets. Below are some sample commands taken from Juniper’s Knowledge Base which walks you through your J-Flow configuration. Read more »

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Misuse of Social Medias Can Threaten Company Networks

Posted in NetFlow Analyzer, Network Traffic Monitor, Scrutinizer, Security on August 9th, 2010 by Ellen
misuse-of-social-medias-can-threaten-company-networks

Has your company adopted a social media policy yet?  Social Networking sites such as Facebook, Twitter, and MySpace are increasingly being considered threats for at least a couple big reasons:  security risks and traffic risks.

Use of social medias at work can pose security risks to the company’s intellectual property through an employee’s personal communication habits.  On occasion, attackers assume the identity of someone who hasn’t actually joined sites like facebook.  Then the attacker determines who this person’s friends or schoolmates are and sends friend requests.  Once befriended, the attacker has personal information of users and can make targeted attacks.  Social engineering tactics like this can be very effective, especially when they get users to start sharing URLs leading to malicious sites or spoofs of actual businesses such as your local bank.  In some countries, criminals are not banned from using sites like facebook when they are incarcerated, as The Washington Times recently reported.

Use of social medias at work can also pose network traffic problems for the company.  Read more »

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