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An alert touches multiple segments of the network, representing the challenge to reduce false positives
Deep Network Observability

How to Reduce False Positives with Shared Context

False positives are rarely caused by too many alerts, but by missing context. Let’s say a spike in outbound traffic shows up in the firewall logs. Around the same time, ...

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Magnifying glass on top of a diagram that looks like both a fingerprint and a network, representing end-to-end network troubleshooting
Network Operations

Why Most Performance Investigations Start in the Wrong Place

A padlock silhouetted against a dark background, surrounded by a spray of white particles, representing password spraying detection.
Security Operations

What Password Spraying Looks Like in Raw Network Telemetry

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jeff
Configuration

Configuring an ERSPAN within VMware and Cisco Switches

With the ever-growing support for flow exports, the need for probes and port mirroring has become a lot more

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Configuration

VMware NSX IPFIX Exports

With the growing number of vendors supporting Flow based technologies, we’re seeing a rise in use cases and possibilities

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Network Operations

Free Virtual NetFlow Collector

A good number of evaluators have been asking me what’s the best way to evaluate our free virtual Netflow

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Network Operations

Configure a mirror port in VMware

Today, I’d like to walk you through the process to configure a mirror port in VMware’s VSphere.  After you’ve

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