Tag Archives: tcpdump

Observing packets on the wire flying by

Posted on August 28, 2016 by Jacco

Anyone who has ever tried to install a modem or configure an Internet connection has almost certainly wondered if there’s any traffic flowing back and forth from networks. Observing network traffic that is generated by a PC or Mac is … Continue reading →

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Javascript IPsec configuration generator for site-2-site VPN gateways

Posted on August 28, 2015 by Jacco

Today, access to the internet is practically everywhere. Private communication across it is often taken for granted. There is an entire industry around secure communication and a lot of the equipment used for securing network boundaries, VPNs specifically, relies on the … Continue reading →

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PFlogging 2.0

Posted on February 28, 2012 by Jacco

It’s no secret that I’m a big fan of computer systems that are running a Unix-like or Unix-derived operating system. There are quite a few around me right now, running FreeBSD, Linux-Mint and Mac OS X Lion. I have a … Continue reading →

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