Topic: packet analysis

Showing 4 articles under packet analysis

What Is Network Traffic Analysis? A Helpful Walkthrough

What Is Network Traffic Analysis? A Helpful Walkthrough

Note: This post was originally written for the Netreo blog. You can check out the original here. Network traffic analysis is the method of collecting, storing, and analyzing traffic across your network. Traffic data is collected in or near real time so you can have up-to-the-second information about what’s happening. This allows you to take action immediately if […]

Read More »
Why SPAN Port is Bad for Packet Captures

Why SPAN Port is Bad for Packet Captures

Sometimes when you're troubleshooting a network problem, you need to look at the packet data. It could be to find security threats or investigate strange network behavior. One of the common ways to capture packet data is with SPAN ports. But with the data deluge found on today’s networks and infrastructure, you can easily run into […]

Read More »
How to Prevent Capturing Data for Security Reasons

How to Prevent Capturing Data for Security Reasons

Security should be top of mind these days. I wrote an article years ago about three lessons you can learn from doing a network security analysis. Taking the appropriate steps is even more crucial now than then. But how do you protect your organization when you need to help troubleshoot an application problem and need to capture […]

Read More »

Where is the Best Location for a Packet Capture?

You just got a call about an application slowness issue. You've been told that it’s not an application issue and that it must be somewhere on the network.  When you need to capture some data, for whatever reason, one question that inevitably comes up is where you should capture. What’s the best location for a […]

Read More »