A while ago I wrote a post about using Python to parse tcpdump output for domains and URLs. Recently, I started to wonder if I could take that a step further. What if the DNS requests I saw could be checked against a blacklist in real time? And what if the output was presented in a more useful format? Here’s how I got these new features working.
After I managed to pull data from Twitter’s API using Python, I got thinking about what my next step would be. Then it hit me – I could draw data from external sources and find a nice extension to visualise it in some pretty graphs. Plotly is that extension.