VMware IPFIX support and our IPFIX collector, Scrutinizer, give you visibility into the ‘cloud’. In this blog, I will show an example of a communication between two hosts (called tenants) on separate Virtual Machines. Read below, there’s nothing but blue skies.
Sampled NetFlow accuracy is often a concern when network administrators find that sampling is their only NetFlow network traffic monitoring option. High volume flow exports can consume too much bandwidth when sent across the network, and/or drastically impact performance of the switch or router. As a result many high end network device vendors are either …
The Dell SonicWALL Next Gen NetFlow configuration is slightly different due to enhancements to the firewall configuration GUI. The SonicWALL IPFIX support blog, written by Adam Caesar in 2011, lists the steps required for pre-Generation 5 and 6 SonicWALL firewalls. Today I will cover what has changed in the Next Gen firewalls’ NetFlow config and …
Now more than ever banking Internet security is at the forefront of nearly every CIO, CTO and Director of IT employed by a financial institution. Improving computer security against cyber threats such as advanced persistent threats and DDoS are of paramount concern. In January, the Washington Post Reported: “The banks whose Web sites have been disrupted …
Username NetFlow Reporting is a hot topic since the Cisco Visual Networking Index (VNI) report in late May. By 2016, Cisco’s forecast predicts that there will be “nearly three networked devices per capita”. Firewall vendors like Dell-SonicWALL and Palo Alto are also paying attention. Network admins are asking “Who is authenticating all of these devices onto the …
Application Performance Monitoring needs to evolve from a Network Map to an Application Map. It is amazing to me that most companies do not have a map of the applications that their business depends on. When application performance is crawling, the network is often the first suspect. I think the reason for this is partially …
Our NetFlow Analyzer for the iPhone takes Network traffic monitoring to a whole new dimension. Aside from receiving email alerts on network threats, you now have the ability to dive into NetFlow Analysis right on your iPhone. From anywhere, get detailed information on your network traffic, and quickly initiate an informed response to network threats.
Network Intrusion Detection, Cyber Threats, Advanced Persistent Threats (APTs), Polymorphic Malware, Event Correlation – today all of these terms are foremost on many IT Security Professionals minds. What cyber security layer can we add to our existing protection efforts that will bring us greater peace of mind?
The cutting edge Cisco 7600 Series is an edge router that delivers robust, high performance IP/MPLS features for service provider and enterprise WAN/MAN applications. There are some common Cisco 7600 NetFlow problems that you should be aware of when enabling Cisco 7600 NetFlow exports.
A month ago I was on a call with a hardware vendor that exports flows and he asked “What else should we be exporting with NetFlow v9?”. This is a great question and fortunately almost any information observed by the flow exporter or passing through it can be exported in NetFlow v9 or IPFIX. Generally …
What can be exported as a Flow: Use NetFlow v9 or IPFIX? Read More »