Author: wpadmin

Netflow Collectors for Home Networks

Update – November 2017: Added descriptions for the other tools I had investigated. Now that LEDE Project has an official release, I hungered for a way to see what kinds of traffic is going through my network. I wanted to answer the question, “who’s hogging the bandwidth?” To do that, I needed a Netflow Collector.

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Monopoly ISPs are a Fallacy?

Although I usually agree with him, one of my favorite bloggers, Dave Winer, recently said this: One of the ideas circulating is that your ISP has a monopoly, owns the only way for you to get to the Internet, but that’s an old idea, it’s no longer true. Where I live the wireless vendors are

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End of the Internet? Help us prevent it!

Hat tip to Ro Khanna‏ (@RoKhanna on Twitter) for this… A Portugal ISP (with no net neutrality constraints) appears to be charging 4.99€ (about US$5.86) per month for access to social media. And another 4.99€ for streaming video (Youtube, Netflix, etc). Oh, and another 4.99€ for streaming music. And additional charges for other kinds of

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DRY Documentation…

DRY – Don’t Repeat Yourself – is it relevant for documentation? I recently saw this comment on a forum… I’m not sure how useful it is to remove duplication [from the documentation pages]. It’s not code… IMHO, duplication in documentation is a couple orders of magnitude worse than duplication in code (and duplication in code

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Generating Netflow Records

[Part of the series of blog postings on Netflow] Netflow is a network protocol invented by Cisco that provides granular visibility on network utilization. Routers and switches send (“export”) Netflow datagrams that summarize traffic through them to a Netflow Collector program that displays the data. This gives visibility into “who’s using the network?” Virtually all

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nfsen-dockerized Netflow Collector

[Part of the series of blog postings on Netflow] A lightweight Netflow collector and web display based on NFSEN/NFDUMP in a Docker container. NFSEN and NFDUMP are documented and hosted at SourceForge.net This container listens on ports 2055, 4739, 6343, and 9666 for netflow, ipfix, and sFlow exports. It displays the collected data in a

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Webview Netflow Reporter (wvnetflow)

[Part of the series of blog postings on Netflow] Webview Netflow Reporter is a lightweight Netflow collector and web display tool based on wvnetflow and flow-tools in a Docker container. Webview Netflow Reporter was created by Craig Weinhold craig.weinhold@cdw.com. The original wvnetflow site is hosted at SourceForge.net. The Dockerfile is available from Github. Pros Pretty

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Getting Started with React!

I’ve been playing with the spate of new Javascript technologies, and ran into a problem. As a beginner in this new ecosystem, I chose one of those big “starter kits” because I wanted to avoid the hassle of configuring all the tooling (see Javascript fatigue). But there was so much boilerplate that it was hard

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