A few years back, Jake Bergeron, one of Plixer’s Sr. Solutions Engineers, wrote a blog about Ubiquiti NetFlow support and how to enable it. This was one of the first things I read as I started to beef up my home lab, because consumer-grade Ubiquiti gear is going to be 3 things:
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How to avoid NetFlow sampling
Posted on - by Scott
As resource demands and bandwidth speeds in many of today’s network infrastructures continue to increase, many network administrators believe that NetFlow sampling is the only way to deal with the high flow volume sent across the network. In fact, setting a NetFlow sample rate of 1 in 100 can cut flow volumes as much as 50%.
Read moreNexus 5600 NetFlow configuration
Posted on - by Khalil Ismayilov
In this blog, we’ll cover the NetFlow configuration for Nexus 5600 switches. To configure NetFlow, ensure you have a VRF (virtual routing and forwarding) instance configured first, as it doesn’t work if applied under a VLAN interface or physical interface as a source when we configure the flow exporter.
Read moreAn “A-list” ransomware attack
Posted on - by Jeff Monaco
How safe is your personal information? Well, several celebrity clients of a New York law firm have discovered that it’s only as safe as the weakest link. These high-profile victims became the most recent targets of the REvil ransomware attack. REvil (also known as Sodinokibi) is a network of cybercriminals who offer RaaS (Ransomware-as-a-Service). After stealing the data, the attackers began leaking the clients’ personal information to pressure the firm into paying the $42 million ransom.
Read moreHow to build data governance into your security strategy
Posted on - by Alienor
How do you know who’s accessing your data? Do you know if your data has been copied to other locations? Have you put enough resources into securing your confidential data? Organizations who don’t have solid answers to these questions probably don’t have a system for data governance in place. In this blog, we’ll cover the basics of data governance and how you can incorporate it in your organization’s security strategy.
Read moreSupport criteria for SD-WAN vendors
Posted on - by Elgin Robinson
As OEMs continue to invest in WAN optimization, what differentiates vendors’ capabilities so that enterprises seek to scale their infrastructure? In this blog, we’ve created a matrix defining functionalities that help enterprises save money, manage their application performance, and secure their network. The matrix displays the strengths and benefits of each SD-WAN vendor and how they can evolve their WAN ecosystem.
Read moreSlickwraps breach and metadata analysis
Posted on - by Jake
In a new series of blogs, we will go over some recent data breaches and how metadata analysis could have helped with the detection and mitigation of certain events.
Read moreTop five VPN monitoring use cases
Posted on - by Brian Davenport
With the dramatic shift to work from home, Plixer has been working with people all over the globe to visualize VPN traffic in a variety of different ways. I wanted to take some time to capture what the top five most common use cases I have been asked for are along with some examples of what the reports look like.
Read moreTroubleshooting NetFlow over VPN tunnel
Posted on - by Scott
I was working with a customer last week who had configured NetFlow on four of their Cisco routers. They had applied basically the same configuration to each of the routers, but only saw exported flows from three of them arrive at the collector.
Read moreAre you looking for an easier way to see how your VPNs are being used on your network? Here’s how to do it.
Posted on - by James Dougherty
Who has the time, right?
You might laugh but the truth is, in the past few weeks you have become the guru of everything VPN on your company’s network. Questions are coming in left and right, and with a little time you have been able to dig into the data to find out who were your top VPN users, what applications they were using, and how your VPNs have been holding up.
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