Tag Archives: tcpdump

Observing packets on the wire flying by

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

Posted in Computer network, IT Security, Linux, Shell script | Tagged , , , , , , , | Comments Off on Observing packets on the wire flying by

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

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

Posted in Crypto, IT Security, Linux | Tagged , , , , , , , , , , , , , | Comments Off on Javascript IPsec configuration generator for site-2-site VPN gateways

PFlogging 2.0

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

Posted in FreeBSD, IT Security | Tagged , , , , , | Comments Off on PFlogging 2.0